Home / 11,110.10-15,331.47-6,575.72

Finding the Fourth Proportional to 11,110.10, 15,331.47 and 6,575.72

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Solution

The fourth proportional to 11,110.10, 15,331.47 and 6,575.72 is: 9,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,110.10 : 15,331.47 = 6,575.72 : x
  2. Step 2: Convert to fraction form
    11,110.10/15,331.47 = 6,575.72/x
  3. Step 3: Cross multiply
    11,110.10x = 15,331.47 × 6,575.72
  4. Step 4: Simplify right side
    11,110.10x = 100,815,377.25
  5. Step 5: Solve for x
    x = 100,815,377.25/11,110.10
  6. Step 6: Final answer
    x = 9,074.21

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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.