Home / 11,101.89-15,318.54-6,565.29

Finding the Fourth Proportional to 11,101.89, 15,318.54 and 6,565.29

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Solution

The fourth proportional to 11,101.89, 15,318.54 and 6,565.29 is: 9,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.89 : 15,318.54 = 6,565.29 : x
  2. Step 2: Convert to fraction form
    11,101.89/15,318.54 = 6,565.29/x
  3. Step 3: Cross multiply
    11,101.89x = 15,318.54 × 6,565.29
  4. Step 4: Simplify right side
    11,101.89x = 100,570,657.48
  5. Step 5: Solve for x
    x = 100,570,657.48/11,101.89
  6. Step 6: Final answer
    x = 9,058.88

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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.