Home / 13,374.11-18,456.26-7,406.17

Finding the Fourth Proportional to 13,374.11, 18,456.26 and 7,406.17

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Solution

The fourth proportional to 13,374.11, 18,456.26 and 7,406.17 is: 10,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.11 : 18,456.26 = 7,406.17 : x
  2. Step 2: Convert to fraction form
    13,374.11/18,456.26 = 7,406.17/x
  3. Step 3: Cross multiply
    13,374.11x = 18,456.26 × 7,406.17
  4. Step 4: Simplify right side
    13,374.11x = 136,690,115.95
  5. Step 5: Solve for x
    x = 136,690,115.95/13,374.11
  6. Step 6: Final answer
    x = 10,220.50

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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.