Home / 9,966.40-14,935.20-8,497.60

Finding the Fourth Proportional to 9,966.40, 14,935.20 and 8,497.60

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Solution

The fourth proportional to 9,966.40, 14,935.20 and 8,497.60 is: 12,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.40 : 14,935.20 = 8,497.60 : x
  2. Step 2: Convert to fraction form
    9,966.40/14,935.20 = 8,497.60/x
  3. Step 3: Cross multiply
    9,966.40x = 14,935.20 × 8,497.60
  4. Step 4: Simplify right side
    9,966.40x = 126,913,355.52
  5. Step 5: Solve for x
    x = 126,913,355.52/9,966.40
  6. Step 6: Final answer
    x = 12,734.12

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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.