Home / 11,274.80-15,565.49-6,799.69

Finding the Fourth Proportional to 11,274.80, 15,565.49 and 6,799.69

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Solution

The fourth proportional to 11,274.80, 15,565.49 and 6,799.69 is: 9,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.80 : 15,565.49 = 6,799.69 : x
  2. Step 2: Convert to fraction form
    11,274.80/15,565.49 = 6,799.69/x
  3. Step 3: Cross multiply
    11,274.80x = 15,565.49 × 6,799.69
  4. Step 4: Simplify right side
    11,274.80x = 105,840,484.78
  5. Step 5: Solve for x
    x = 105,840,484.78/11,274.80
  6. Step 6: Final answer
    x = 9,387.35

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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.