Home / 15,687.50-23,534.15-5,158.10

Finding the Fourth Proportional to 15,687.50, 23,534.15 and 5,158.10

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Solution

The fourth proportional to 15,687.50, 23,534.15 and 5,158.10 is: 7,738.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.50 : 23,534.15 = 5,158.10 : x
  2. Step 2: Convert to fraction form
    15,687.50/23,534.15 = 5,158.10/x
  3. Step 3: Cross multiply
    15,687.50x = 23,534.15 × 5,158.10
  4. Step 4: Simplify right side
    15,687.50x = 121,391,355.65
  5. Step 5: Solve for x
    x = 121,391,355.65/15,687.50
  6. Step 6: Final answer
    x = 7,738.10

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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.