Home / 18,437.11-27,659.76-5,288.47

Finding the Fourth Proportional to 18,437.11, 27,659.76 and 5,288.47

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Solution

The fourth proportional to 18,437.11, 27,659.76 and 5,288.47 is: 7,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.11 : 27,659.76 = 5,288.47 : x
  2. Step 2: Convert to fraction form
    18,437.11/27,659.76 = 5,288.47/x
  3. Step 3: Cross multiply
    18,437.11x = 27,659.76 × 5,288.47
  4. Step 4: Simplify right side
    18,437.11x = 146,277,810.97
  5. Step 5: Solve for x
    x = 146,277,810.97/18,437.11
  6. Step 6: Final answer
    x = 7,933.88

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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.