Home / 18,272.67-27,417.46-9,942.76

Finding the Fourth Proportional to 18,272.67, 27,417.46 and 9,942.76

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Solution

The fourth proportional to 18,272.67, 27,417.46 and 9,942.76 is: 14,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,272.67 : 27,417.46 = 9,942.76 : x
  2. Step 2: Convert to fraction form
    18,272.67/27,417.46 = 9,942.76/x
  3. Step 3: Cross multiply
    18,272.67x = 27,417.46 × 9,942.76
  4. Step 4: Simplify right side
    18,272.67x = 272,605,224.59
  5. Step 5: Solve for x
    x = 272,605,224.59/18,272.67
  6. Step 6: Final answer
    x = 14,918.74

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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.