Home / 11,290.11-15,580.40-6,254.22

Finding the Fourth Proportional to 11,290.11, 15,580.40 and 6,254.22

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Solution

The fourth proportional to 11,290.11, 15,580.40 and 6,254.22 is: 8,630.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.11 : 15,580.40 = 6,254.22 : x
  2. Step 2: Convert to fraction form
    11,290.11/15,580.40 = 6,254.22/x
  3. Step 3: Cross multiply
    11,290.11x = 15,580.40 × 6,254.22
  4. Step 4: Simplify right side
    11,290.11x = 97,443,249.29
  5. Step 5: Solve for x
    x = 97,443,249.29/11,290.11
  6. Step 6: Final answer
    x = 8,630.85

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Double scale
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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.