Home / 18,088.79-27,115.16-8,726.13

Finding the Fourth Proportional to 18,088.79, 27,115.16 and 8,726.13

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Solution

The fourth proportional to 18,088.79, 27,115.16 and 8,726.13 is: 13,080.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.79 : 27,115.16 = 8,726.13 : x
  2. Step 2: Convert to fraction form
    18,088.79/27,115.16 = 8,726.13/x
  3. Step 3: Cross multiply
    18,088.79x = 27,115.16 × 8,726.13
  4. Step 4: Simplify right side
    18,088.79x = 236,610,367.50
  5. Step 5: Solve for x
    x = 236,610,367.50/18,088.79
  6. Step 6: Final answer
    x = 13,080.50

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Half scale
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Double scale
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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.