Home / 15,038.18-22,542.39-7,126.79

Finding the Fourth Proportional to 15,038.18, 22,542.39 and 7,126.79

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Solution

The fourth proportional to 15,038.18, 22,542.39 and 7,126.79 is: 10,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,038.18 : 22,542.39 = 7,126.79 : x
  2. Step 2: Convert to fraction form
    15,038.18/22,542.39 = 7,126.79/x
  3. Step 3: Cross multiply
    15,038.18x = 22,542.39 × 7,126.79
  4. Step 4: Simplify right side
    15,038.18x = 160,654,879.63
  5. Step 5: Solve for x
    x = 160,654,879.63/15,038.18
  6. Step 6: Final answer
    x = 10,683.13

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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.