Home / 14,001.05-21,040.16-7,432.16

Finding the Fourth Proportional to 14,001.05, 21,040.16 and 7,432.16

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Solution

The fourth proportional to 14,001.05, 21,040.16 and 7,432.16 is: 11,168.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.05 : 21,040.16 = 7,432.16 : x
  2. Step 2: Convert to fraction form
    14,001.05/21,040.16 = 7,432.16/x
  3. Step 3: Cross multiply
    14,001.05x = 21,040.16 × 7,432.16
  4. Step 4: Simplify right side
    14,001.05x = 156,373,693.18
  5. Step 5: Solve for x
    x = 156,373,693.18/14,001.05
  6. Step 6: Final answer
    x = 11,168.71

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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.