Home / 16,687.76-23,037.42-9,612.80

Finding the Fourth Proportional to 16,687.76, 23,037.42 and 9,612.80

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Solution

The fourth proportional to 16,687.76, 23,037.42 and 9,612.80 is: 13,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,687.76 : 23,037.42 = 9,612.80 : x
  2. Step 2: Convert to fraction form
    16,687.76/23,037.42 = 9,612.80/x
  3. Step 3: Cross multiply
    16,687.76x = 23,037.42 × 9,612.80
  4. Step 4: Simplify right side
    16,687.76x = 221,454,110.98
  5. Step 5: Solve for x
    x = 221,454,110.98/16,687.76
  6. Step 6: Final answer
    x = 13,270.45

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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.