Home / 13,996.38-21,001.89-9,064.74

Finding the Fourth Proportional to 13,996.38, 21,001.89 and 9,064.74

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Solution

The fourth proportional to 13,996.38, 21,001.89 and 9,064.74 is: 13,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.38 : 21,001.89 = 9,064.74 : x
  2. Step 2: Convert to fraction form
    13,996.38/21,001.89 = 9,064.74/x
  3. Step 3: Cross multiply
    13,996.38x = 21,001.89 × 9,064.74
  4. Step 4: Simplify right side
    13,996.38x = 190,376,672.36
  5. Step 5: Solve for x
    x = 190,376,672.36/13,996.38
  6. Step 6: Final answer
    x = 13,601.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.