Home / 18,437.74-27,656.76-5,290.52

Finding the Fourth Proportional to 18,437.74, 27,656.76 and 5,290.52

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Solution

The fourth proportional to 18,437.74, 27,656.76 and 5,290.52 is: 7,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.74 : 27,656.76 = 5,290.52 : x
  2. Step 2: Convert to fraction form
    18,437.74/27,656.76 = 5,290.52/x
  3. Step 3: Cross multiply
    18,437.74x = 27,656.76 × 5,290.52
  4. Step 4: Simplify right side
    18,437.74x = 146,318,615.46
  5. Step 5: Solve for x
    x = 146,318,615.46/18,437.74
  6. Step 6: Final answer
    x = 7,935.82

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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.