Home / 11,278.83-15,562.63-6,242.82

Finding the Fourth Proportional to 11,278.83, 15,562.63 and 6,242.82

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Solution

The fourth proportional to 11,278.83, 15,562.63 and 6,242.82 is: 8,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.83 : 15,562.63 = 6,242.82 : x
  2. Step 2: Convert to fraction form
    11,278.83/15,562.63 = 6,242.82/x
  3. Step 3: Cross multiply
    11,278.83x = 15,562.63 × 6,242.82
  4. Step 4: Simplify right side
    11,278.83x = 97,154,697.82
  5. Step 5: Solve for x
    x = 97,154,697.82/11,278.83
  6. Step 6: Final answer
    x = 8,613.90

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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.