Home / 18,407.48-27,591.36-9,036.60

Finding the Fourth Proportional to 18,407.48, 27,591.36 and 9,036.60

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Solution

The fourth proportional to 18,407.48, 27,591.36 and 9,036.60 is: 13,545.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,407.48 : 27,591.36 = 9,036.60 : x
  2. Step 2: Convert to fraction form
    18,407.48/27,591.36 = 9,036.60/x
  3. Step 3: Cross multiply
    18,407.48x = 27,591.36 × 9,036.60
  4. Step 4: Simplify right side
    18,407.48x = 249,332,083.78
  5. Step 5: Solve for x
    x = 249,332,083.78/18,407.48
  6. Step 6: Final answer
    x = 13,545.15

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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.