Home / 9,713.80-14,565.69-3,139.13

Finding the Fourth Proportional to 9,713.80, 14,565.69 and 3,139.13

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Solution

The fourth proportional to 9,713.80, 14,565.69 and 3,139.13 is: 4,707.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,713.80 : 14,565.69 = 3,139.13 : x
  2. Step 2: Convert to fraction form
    9,713.80/14,565.69 = 3,139.13/x
  3. Step 3: Cross multiply
    9,713.80x = 14,565.69 × 3,139.13
  4. Step 4: Simplify right side
    9,713.80x = 45,723,594.45
  5. Step 5: Solve for x
    x = 45,723,594.45/9,713.80
  6. Step 6: Final answer
    x = 4,707.08

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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.