Home / 15,901.38-23,850.45-4,215.78

Finding the Fourth Proportional to 15,901.38, 23,850.45 and 4,215.78

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Solution

The fourth proportional to 15,901.38, 23,850.45 and 4,215.78 is: 6,323.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,901.38 : 23,850.45 = 4,215.78 : x
  2. Step 2: Convert to fraction form
    15,901.38/23,850.45 = 4,215.78/x
  3. Step 3: Cross multiply
    15,901.38x = 23,850.45 × 4,215.78
  4. Step 4: Simplify right side
    15,901.38x = 100,548,250.10
  5. Step 5: Solve for x
    x = 100,548,250.10/15,901.38
  6. Step 6: Final answer
    x = 6,323.24

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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.