Home / 12,458.26-18,688.29-5,062.85

Finding the Fourth Proportional to 12,458.26, 18,688.29 and 5,062.85

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Solution

The fourth proportional to 12,458.26, 18,688.29 and 5,062.85 is: 7,594.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,458.26 : 18,688.29 = 5,062.85 : x
  2. Step 2: Convert to fraction form
    12,458.26/18,688.29 = 5,062.85/x
  3. Step 3: Cross multiply
    12,458.26x = 18,688.29 × 5,062.85
  4. Step 4: Simplify right side
    12,458.26x = 94,616,114.52
  5. Step 5: Solve for x
    x = 94,616,114.52/12,458.26
  6. Step 6: Final answer
    x = 7,594.65

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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.