Home / 10,565.48-15,848.66-3,992.18

Finding the Fourth Proportional to 10,565.48, 15,848.66 and 3,992.18

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Solution

The fourth proportional to 10,565.48, 15,848.66 and 3,992.18 is: 5,988.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,565.48 : 15,848.66 = 3,992.18 : x
  2. Step 2: Convert to fraction form
    10,565.48/15,848.66 = 3,992.18/x
  3. Step 3: Cross multiply
    10,565.48x = 15,848.66 × 3,992.18
  4. Step 4: Simplify right side
    10,565.48x = 63,270,604.27
  5. Step 5: Solve for x
    x = 63,270,604.27/10,565.48
  6. Step 6: Final answer
    x = 5,988.43

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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.