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Finding the Fourth Proportional to 15,318.32, 22,973.88 and 9,763.52

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Solution

The fourth proportional to 15,318.32, 22,973.88 and 9,763.52 is: 14,642.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.32 : 22,973.88 = 9,763.52 : x
  2. Step 2: Convert to fraction form
    15,318.32/22,973.88 = 9,763.52/x
  3. Step 3: Cross multiply
    15,318.32x = 22,973.88 × 9,763.52
  4. Step 4: Simplify right side
    15,318.32x = 224,305,936.86
  5. Step 5: Solve for x
    x = 224,305,936.86/15,318.32
  6. Step 6: Final answer
    x = 14,642.99

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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.