Home / 18,008.10-26,987.85-10,091.16

Finding the Fourth Proportional to 18,008.10, 26,987.85 and 10,091.16

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Solution

The fourth proportional to 18,008.10, 26,987.85 and 10,091.16 is: 15,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.10 : 26,987.85 = 10,091.16 : x
  2. Step 2: Convert to fraction form
    18,008.10/26,987.85 = 10,091.16/x
  3. Step 3: Cross multiply
    18,008.10x = 26,987.85 × 10,091.16
  4. Step 4: Simplify right side
    18,008.10x = 272,338,712.41
  5. Step 5: Solve for x
    x = 272,338,712.41/18,008.10
  6. Step 6: Final answer
    x = 15,123.12

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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.