Home / 14,001.56-21,040.91-7,432.66

Finding the Fourth Proportional to 14,001.56, 21,040.91 and 7,432.66

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Solution

The fourth proportional to 14,001.56, 21,040.91 and 7,432.66 is: 11,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.56 : 21,040.91 = 7,432.66 : x
  2. Step 2: Convert to fraction form
    14,001.56/21,040.91 = 7,432.66/x
  3. Step 3: Cross multiply
    14,001.56x = 21,040.91 × 7,432.66
  4. Step 4: Simplify right side
    14,001.56x = 156,389,787.75
  5. Step 5: Solve for x
    x = 156,389,787.75/14,001.56
  6. Step 6: Final answer
    x = 11,169.46

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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.