Home / 12,565.28-17,325.96-8,981.84

Finding the Fourth Proportional to 12,565.28, 17,325.96 and 8,981.84

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Solution

The fourth proportional to 12,565.28, 17,325.96 and 8,981.84 is: 12,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.28 : 17,325.96 = 8,981.84 : x
  2. Step 2: Convert to fraction form
    12,565.28/17,325.96 = 8,981.84/x
  3. Step 3: Cross multiply
    12,565.28x = 17,325.96 × 8,981.84
  4. Step 4: Simplify right side
    12,565.28x = 155,619,000.57
  5. Step 5: Solve for x
    x = 155,619,000.57/12,565.28
  6. Step 6: Final answer
    x = 12,384.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.