Home / 9,854.20-14,781.30-9,708.40

Finding the Fourth Proportional to 9,854.20, 14,781.30 and 9,708.40

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Solution

The fourth proportional to 9,854.20, 14,781.30 and 9,708.40 is: 14,562.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,854.20 : 14,781.30 = 9,708.40 : x
  2. Step 2: Convert to fraction form
    9,854.20/14,781.30 = 9,708.40/x
  3. Step 3: Cross multiply
    9,854.20x = 14,781.30 × 9,708.40
  4. Step 4: Simplify right side
    9,854.20x = 143,502,772.92
  5. Step 5: Solve for x
    x = 143,502,772.92/9,854.20
  6. Step 6: Final answer
    x = 14,562.60

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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.