Home / 8,565.39-11,823.51-5,581.96

Finding the Fourth Proportional to 8,565.39, 11,823.51 and 5,581.96

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Solution

The fourth proportional to 8,565.39, 11,823.51 and 5,581.96 is: 7,705.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.39 : 11,823.51 = 5,581.96 : x
  2. Step 2: Convert to fraction form
    8,565.39/11,823.51 = 5,581.96/x
  3. Step 3: Cross multiply
    8,565.39x = 11,823.51 × 5,581.96
  4. Step 4: Simplify right side
    8,565.39x = 65,998,359.88
  5. Step 5: Solve for x
    x = 65,998,359.88/8,565.39
  6. Step 6: Final answer
    x = 7,705.23

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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.