Home / 15,619.50-23,431.69-5,087.04

Finding the Fourth Proportional to 15,619.50, 23,431.69 and 5,087.04

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Solution

The fourth proportional to 15,619.50, 23,431.69 and 5,087.04 is: 7,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.50 : 23,431.69 = 5,087.04 : x
  2. Step 2: Convert to fraction form
    15,619.50/23,431.69 = 5,087.04/x
  3. Step 3: Cross multiply
    15,619.50x = 23,431.69 × 5,087.04
  4. Step 4: Simplify right side
    15,619.50x = 119,197,862.79
  5. Step 5: Solve for x
    x = 119,197,862.79/15,619.50
  6. Step 6: Final answer
    x = 7,631.35

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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.