Home / 16,421.16-22,660.56-9,250.92

Finding the Fourth Proportional to 16,421.16, 22,660.56 and 9,250.92

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Solution

The fourth proportional to 16,421.16, 22,660.56 and 9,250.92 is: 12,765.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,421.16 : 22,660.56 = 9,250.92 : x
  2. Step 2: Convert to fraction form
    16,421.16/22,660.56 = 9,250.92/x
  3. Step 3: Cross multiply
    16,421.16x = 22,660.56 × 9,250.92
  4. Step 4: Simplify right side
    16,421.16x = 209,631,027.72
  5. Step 5: Solve for x
    x = 209,631,027.72/16,421.16
  6. Step 6: Final answer
    x = 12,765.91

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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.