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Finding the Fourth Proportional to 15,225.70, 22,842.49 and 4,695.49

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Solution

The fourth proportional to 15,225.70, 22,842.49 and 4,695.49 is: 7,044.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,225.70 : 22,842.49 = 4,695.49 : x
  2. Step 2: Convert to fraction form
    15,225.70/22,842.49 = 4,695.49/x
  3. Step 3: Cross multiply
    15,225.70x = 22,842.49 × 4,695.49
  4. Step 4: Simplify right side
    15,225.70x = 107,256,557.42
  5. Step 5: Solve for x
    x = 107,256,557.42/15,225.70
  6. Step 6: Final answer
    x = 7,044.44

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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.