Home / 11,275.39-15,549.06-10,167.90

Finding the Fourth Proportional to 11,275.39, 15,549.06 and 10,167.90

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Solution

The fourth proportional to 11,275.39, 15,549.06 and 10,167.90 is: 14,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,275.39 : 15,549.06 = 10,167.90 : x
  2. Step 2: Convert to fraction form
    11,275.39/15,549.06 = 10,167.90/x
  3. Step 3: Cross multiply
    11,275.39x = 15,549.06 × 10,167.90
  4. Step 4: Simplify right side
    11,275.39x = 158,101,287.17
  5. Step 5: Solve for x
    x = 158,101,287.17/11,275.39
  6. Step 6: Final answer
    x = 14,021.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.