Home / 13,482.41-20,229.88-5,159.68

Finding the Fourth Proportional to 13,482.41, 20,229.88 and 5,159.68

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Solution

The fourth proportional to 13,482.41, 20,229.88 and 5,159.68 is: 7,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.41 : 20,229.88 = 5,159.68 : x
  2. Step 2: Convert to fraction form
    13,482.41/20,229.88 = 5,159.68/x
  3. Step 3: Cross multiply
    13,482.41x = 20,229.88 × 5,159.68
  4. Step 4: Simplify right side
    13,482.41x = 104,379,643.76
  5. Step 5: Solve for x
    x = 104,379,643.76/13,482.41
  6. Step 6: Final answer
    x = 7,741.92

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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.