Home / 13,960.72-20,945.63-6,565.92

Finding the Fourth Proportional to 13,960.72, 20,945.63 and 6,565.92

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Solution

The fourth proportional to 13,960.72, 20,945.63 and 6,565.92 is: 9,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.72 : 20,945.63 = 6,565.92 : x
  2. Step 2: Convert to fraction form
    13,960.72/20,945.63 = 6,565.92/x
  3. Step 3: Cross multiply
    13,960.72x = 20,945.63 × 6,565.92
  4. Step 4: Simplify right side
    13,960.72x = 137,527,330.93
  5. Step 5: Solve for x
    x = 137,527,330.93/13,960.72
  6. Step 6: Final answer
    x = 9,851.02

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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.