Home / 17,921.77-24,732.33-9,855.76

Finding the Fourth Proportional to 17,921.77, 24,732.33 and 9,855.76

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Solution

The fourth proportional to 17,921.77, 24,732.33 and 9,855.76 is: 13,601.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.77 : 24,732.33 = 9,855.76 : x
  2. Step 2: Convert to fraction form
    17,921.77/24,732.33 = 9,855.76/x
  3. Step 3: Cross multiply
    17,921.77x = 24,732.33 × 9,855.76
  4. Step 4: Simplify right side
    17,921.77x = 243,755,908.72
  5. Step 5: Solve for x
    x = 243,755,908.72/17,921.77
  6. Step 6: Final answer
    x = 13,601.11

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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.