Home / 15,639.12-23,459.04-5,250.96

Finding the Fourth Proportional to 15,639.12, 23,459.04 and 5,250.96

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Solution

The fourth proportional to 15,639.12, 23,459.04 and 5,250.96 is: 7,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,639.12 : 23,459.04 = 5,250.96 : x
  2. Step 2: Convert to fraction form
    15,639.12/23,459.04 = 5,250.96/x
  3. Step 3: Cross multiply
    15,639.12x = 23,459.04 × 5,250.96
  4. Step 4: Simplify right side
    15,639.12x = 123,182,480.68
  5. Step 5: Solve for x
    x = 123,182,480.68/15,639.12
  6. Step 6: Final answer
    x = 7,876.56

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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.