Home / 11,126.76-15,354.96-6,158.76

Finding the Fourth Proportional to 11,126.76, 15,354.96 and 6,158.76

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Solution

The fourth proportional to 11,126.76, 15,354.96 and 6,158.76 is: 8,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.76 : 15,354.96 = 6,158.76 : x
  2. Step 2: Convert to fraction form
    11,126.76/15,354.96 = 6,158.76/x
  3. Step 3: Cross multiply
    11,126.76x = 15,354.96 × 6,158.76
  4. Step 4: Simplify right side
    11,126.76x = 94,567,513.45
  5. Step 5: Solve for x
    x = 94,567,513.45/11,126.76
  6. Step 6: Final answer
    x = 8,499.11

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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.