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Finding the Fourth Proportional to 14,962.50, 22,446.99 and 5,728.50

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Solution

The fourth proportional to 14,962.50, 22,446.99 and 5,728.50 is: 8,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.50 : 22,446.99 = 5,728.50 : x
  2. Step 2: Convert to fraction form
    14,962.50/22,446.99 = 5,728.50/x
  3. Step 3: Cross multiply
    14,962.50x = 22,446.99 × 5,728.50
  4. Step 4: Simplify right side
    14,962.50x = 128,587,582.22
  5. Step 5: Solve for x
    x = 128,587,582.22/14,962.50
  6. Step 6: Final answer
    x = 8,593.99

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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.