Home / 22,601.40-31,189.89-13,647.15

Finding the Fourth Proportional to 22,601.40, 31,189.89 and 13,647.15

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Solution

The fourth proportional to 22,601.40, 31,189.89 and 13,647.15 is: 18,833.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.40 : 31,189.89 = 13,647.15 : x
  2. Step 2: Convert to fraction form
    22,601.40/31,189.89 = 13,647.15/x
  3. Step 3: Cross multiply
    22,601.40x = 31,189.89 × 13,647.15
  4. Step 4: Simplify right side
    22,601.40x = 425,652,951.36
  5. Step 5: Solve for x
    x = 425,652,951.36/22,601.40
  6. Step 6: Final answer
    x = 18,833.04

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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.