Home / 19,615.60-29,397.80-9,084.40

Finding the Fourth Proportional to 19,615.60, 29,397.80 and 9,084.40

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Solution

The fourth proportional to 19,615.60, 29,397.80 and 9,084.40 is: 13,614.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.60 : 29,397.80 = 9,084.40 : x
  2. Step 2: Convert to fraction form
    19,615.60/29,397.80 = 9,084.40/x
  3. Step 3: Cross multiply
    19,615.60x = 29,397.80 × 9,084.40
  4. Step 4: Simplify right side
    19,615.60x = 267,061,374.32
  5. Step 5: Solve for x
    x = 267,061,374.32/19,615.60
  6. Step 6: Final answer
    x = 13,614.74

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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.