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Finding the Fourth Proportional to 16,615.02, 22,934.30 and 9,902.76

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Solution

The fourth proportional to 16,615.02, 22,934.30 and 9,902.76 is: 13,669.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,615.02 : 22,934.30 = 9,902.76 : x
  2. Step 2: Convert to fraction form
    16,615.02/22,934.30 = 9,902.76/x
  3. Step 3: Cross multiply
    16,615.02x = 22,934.30 × 9,902.76
  4. Step 4: Simplify right side
    16,615.02x = 227,112,868.67
  5. Step 5: Solve for x
    x = 227,112,868.67/16,615.02
  6. Step 6: Final answer
    x = 13,669.13

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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.