Home / 14,964.85-20,660.09-9,935.86

Finding the Fourth Proportional to 14,964.85, 20,660.09 and 9,935.86

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Solution

The fourth proportional to 14,964.85, 20,660.09 and 9,935.86 is: 13,717.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.85 : 20,660.09 = 9,935.86 : x
  2. Step 2: Convert to fraction form
    14,964.85/20,660.09 = 9,935.86/x
  3. Step 3: Cross multiply
    14,964.85x = 20,660.09 × 9,935.86
  4. Step 4: Simplify right side
    14,964.85x = 205,275,761.83
  5. Step 5: Solve for x
    x = 205,275,761.83/14,964.85
  6. Step 6: Final answer
    x = 13,717.19

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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.