Home / 8,947.23-13,426.13-3,405.24

Finding the Fourth Proportional to 8,947.23, 13,426.13 and 3,405.24

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Solution

The fourth proportional to 8,947.23, 13,426.13 and 3,405.24 is: 5,109.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.23 : 13,426.13 = 3,405.24 : x
  2. Step 2: Convert to fraction form
    8,947.23/13,426.13 = 3,405.24/x
  3. Step 3: Cross multiply
    8,947.23x = 13,426.13 × 3,405.24
  4. Step 4: Simplify right side
    8,947.23x = 45,719,177.90
  5. Step 5: Solve for x
    x = 45,719,177.90/8,947.23
  6. Step 6: Final answer
    x = 5,109.87

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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.