Home / 12,488.26-18,730.50-4,695.25

Finding the Fourth Proportional to 12,488.26, 18,730.50 and 4,695.25

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Solution

The fourth proportional to 12,488.26, 18,730.50 and 4,695.25 is: 7,042.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.26 : 18,730.50 = 4,695.25 : x
  2. Step 2: Convert to fraction form
    12,488.26/18,730.50 = 4,695.25/x
  3. Step 3: Cross multiply
    12,488.26x = 18,730.50 × 4,695.25
  4. Step 4: Simplify right side
    12,488.26x = 87,944,380.13
  5. Step 5: Solve for x
    x = 87,944,380.13/12,488.26
  6. Step 6: Final answer
    x = 7,042.16

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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.