Home / 18,000.24-27,000.32-6,316.80

Finding the Fourth Proportional to 18,000.24, 27,000.32 and 6,316.80

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Solution

The fourth proportional to 18,000.24, 27,000.32 and 6,316.80 is: 9,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.24 : 27,000.32 = 6,316.80 : x
  2. Step 2: Convert to fraction form
    18,000.24/27,000.32 = 6,316.80/x
  3. Step 3: Cross multiply
    18,000.24x = 27,000.32 × 6,316.80
  4. Step 4: Simplify right side
    18,000.24x = 170,555,621.38
  5. Step 5: Solve for x
    x = 170,555,621.38/18,000.24
  6. Step 6: Final answer
    x = 9,475.19

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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.