Home / 13,065.76-19,598.64-5,272.75

Finding the Fourth Proportional to 13,065.76, 19,598.64 and 5,272.75

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Solution

The fourth proportional to 13,065.76, 19,598.64 and 5,272.75 is: 7,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065.76 : 19,598.64 = 5,272.75 : x
  2. Step 2: Convert to fraction form
    13,065.76/19,598.64 = 5,272.75/x
  3. Step 3: Cross multiply
    13,065.76x = 19,598.64 × 5,272.75
  4. Step 4: Simplify right side
    13,065.76x = 103,338,729.06
  5. Step 5: Solve for x
    x = 103,338,729.06/13,065.76
  6. Step 6: Final answer
    x = 7,909.13

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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.