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Finding the Fourth Proportional to 14,710.17, 20,314.50 and 10,669.89

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Solution

The fourth proportional to 14,710.17, 20,314.50 and 10,669.89 is: 14,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.17 : 20,314.50 = 10,669.89 : x
  2. Step 2: Convert to fraction form
    14,710.17/20,314.50 = 10,669.89/x
  3. Step 3: Cross multiply
    14,710.17x = 20,314.50 × 10,669.89
  4. Step 4: Simplify right side
    14,710.17x = 216,753,480.41
  5. Step 5: Solve for x
    x = 216,753,480.41/14,710.17
  6. Step 6: Final answer
    x = 14,734.94

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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.