Home / 10,947.04-16,422.40-4,373.36

Finding the Fourth Proportional to 10,947.04, 16,422.40 and 4,373.36

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Solution

The fourth proportional to 10,947.04, 16,422.40 and 4,373.36 is: 6,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,947.04 : 16,422.40 = 4,373.36 : x
  2. Step 2: Convert to fraction form
    10,947.04/16,422.40 = 4,373.36/x
  3. Step 3: Cross multiply
    10,947.04x = 16,422.40 × 4,373.36
  4. Step 4: Simplify right side
    10,947.04x = 71,821,067.26
  5. Step 5: Solve for x
    x = 71,821,067.26/10,947.04
  6. Step 6: Final answer
    x = 6,560.78

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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.