Home / 13,437.76-18,546.15-9,673.39

Finding the Fourth Proportional to 13,437.76, 18,546.15 and 9,673.39

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Solution

The fourth proportional to 13,437.76, 18,546.15 and 9,673.39 is: 13,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,437.76 : 18,546.15 = 9,673.39 : x
  2. Step 2: Convert to fraction form
    13,437.76/18,546.15 = 9,673.39/x
  3. Step 3: Cross multiply
    13,437.76x = 18,546.15 × 9,673.39
  4. Step 4: Simplify right side
    13,437.76x = 179,404,141.95
  5. Step 5: Solve for x
    x = 179,404,141.95/13,437.76
  6. Step 6: Final answer
    x = 13,350.75

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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.