Home / 16,694.92-23,038.07-9,139.79

Finding the Fourth Proportional to 16,694.92, 23,038.07 and 9,139.79

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Solution

The fourth proportional to 16,694.92, 23,038.07 and 9,139.79 is: 12,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,694.92 : 23,038.07 = 9,139.79 : x
  2. Step 2: Convert to fraction form
    16,694.92/23,038.07 = 9,139.79/x
  3. Step 3: Cross multiply
    16,694.92x = 23,038.07 × 9,139.79
  4. Step 4: Simplify right side
    16,694.92x = 210,563,121.81
  5. Step 5: Solve for x
    x = 210,563,121.81/16,694.92
  6. Step 6: Final answer
    x = 12,612.41

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Double scale
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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.