Home / 9,789.80-13,514.45-6,565.05

Finding the Fourth Proportional to 9,789.80, 13,514.45 and 6,565.05

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Solution

The fourth proportional to 9,789.80, 13,514.45 and 6,565.05 is: 9,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789.80 : 13,514.45 = 6,565.05 : x
  2. Step 2: Convert to fraction form
    9,789.80/13,514.45 = 6,565.05/x
  3. Step 3: Cross multiply
    9,789.80x = 13,514.45 × 6,565.05
  4. Step 4: Simplify right side
    9,789.80x = 88,723,007.15
  5. Step 5: Solve for x
    x = 88,723,007.15/9,789.80
  6. Step 6: Final answer
    x = 9,062.81

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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.