Home / 13,237.71-18,266.67-7,932.39

Finding the Fourth Proportional to 13,237.71, 18,266.67 and 7,932.39

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Solution

The fourth proportional to 13,237.71, 18,266.67 and 7,932.39 is: 10,945.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.71 : 18,266.67 = 7,932.39 : x
  2. Step 2: Convert to fraction form
    13,237.71/18,266.67 = 7,932.39/x
  3. Step 3: Cross multiply
    13,237.71x = 18,266.67 × 7,932.39
  4. Step 4: Simplify right side
    13,237.71x = 144,898,350.44
  5. Step 5: Solve for x
    x = 144,898,350.44/13,237.71
  6. Step 6: Final answer
    x = 10,945.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.