Home / 14,724.98-20,338.17-10,739.78

Finding the Fourth Proportional to 14,724.98, 20,338.17 and 10,739.78

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Solution

The fourth proportional to 14,724.98, 20,338.17 and 10,739.78 is: 14,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,724.98 : 20,338.17 = 10,739.78 : x
  2. Step 2: Convert to fraction form
    14,724.98/20,338.17 = 10,739.78/x
  3. Step 3: Cross multiply
    14,724.98x = 20,338.17 × 10,739.78
  4. Step 4: Simplify right side
    14,724.98x = 218,427,471.40
  5. Step 5: Solve for x
    x = 218,427,471.40/14,724.98
  6. Step 6: Final answer
    x = 14,833.80

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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.