Home / 15,429.92-23,146.08-5,042.72

Finding the Fourth Proportional to 15,429.92, 23,146.08 and 5,042.72

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Solution

The fourth proportional to 15,429.92, 23,146.08 and 5,042.72 is: 7,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.92 : 23,146.08 = 5,042.72 : x
  2. Step 2: Convert to fraction form
    15,429.92/23,146.08 = 5,042.72/x
  3. Step 3: Cross multiply
    15,429.92x = 23,146.08 × 5,042.72
  4. Step 4: Simplify right side
    15,429.92x = 116,719,200.54
  5. Step 5: Solve for x
    x = 116,719,200.54/15,429.92
  6. Step 6: Final answer
    x = 7,564.47

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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.