Home / 18,288.06-27,431.85-4,437.18

Finding the Fourth Proportional to 18,288.06, 27,431.85 and 4,437.18

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Solution

The fourth proportional to 18,288.06, 27,431.85 and 4,437.18 is: 6,655.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.06 : 27,431.85 = 4,437.18 : x
  2. Step 2: Convert to fraction form
    18,288.06/27,431.85 = 4,437.18/x
  3. Step 3: Cross multiply
    18,288.06x = 27,431.85 × 4,437.18
  4. Step 4: Simplify right side
    18,288.06x = 121,720,056.18
  5. Step 5: Solve for x
    x = 121,720,056.18/18,288.06
  6. Step 6: Final answer
    x = 6,655.71

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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.