Home / 13,074.39-19,611.57-5,283.18

Finding the Fourth Proportional to 13,074.39, 19,611.57 and 5,283.18

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Solution

The fourth proportional to 13,074.39, 19,611.57 and 5,283.18 is: 7,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.39 : 19,611.57 = 5,283.18 : x
  2. Step 2: Convert to fraction form
    13,074.39/19,611.57 = 5,283.18/x
  3. Step 3: Cross multiply
    13,074.39x = 19,611.57 × 5,283.18
  4. Step 4: Simplify right side
    13,074.39x = 103,611,454.39
  5. Step 5: Solve for x
    x = 103,611,454.39/13,074.39
  6. Step 6: Final answer
    x = 7,924.76

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Half scale
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Double scale
Find fourth proportional to 13,075.39, 19,613.07 and 5,284.18
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.