Home / 18,247.07-27,377.85-6,561.20

Finding the Fourth Proportional to 18,247.07, 27,377.85 and 6,561.20

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Solution

The fourth proportional to 18,247.07, 27,377.85 and 6,561.20 is: 9,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.07 : 27,377.85 = 6,561.20 : x
  2. Step 2: Convert to fraction form
    18,247.07/27,377.85 = 6,561.20/x
  3. Step 3: Cross multiply
    18,247.07x = 27,377.85 × 6,561.20
  4. Step 4: Simplify right side
    18,247.07x = 179,631,516.61
  5. Step 5: Solve for x
    x = 179,631,516.61/18,247.07
  6. Step 6: Final answer
    x = 9,844.40

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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.