Home / 18,316.76-27,478-5,839.58

Finding the Fourth Proportional to 18,316.76, 27,478 and 5,839.58

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Solution

The fourth proportional to 18,316.76, 27,478 and 5,839.58 is: 8,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.76 : 27,478 = 5,839.58 : x
  2. Step 2: Convert to fraction form
    18,316.76/27,478 = 5,839.58/x
  3. Step 3: Cross multiply
    18,316.76x = 27,478 × 5,839.58
  4. Step 4: Simplify right side
    18,316.76x = 160,459,979.24
  5. Step 5: Solve for x
    x = 160,459,979.24/18,316.76
  6. Step 6: Final answer
    x = 8,760.28

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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.