Home / 11,213.73-15,475.14-6,178.19

Finding the Fourth Proportional to 11,213.73, 15,475.14 and 6,178.19

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Solution

The fourth proportional to 11,213.73, 15,475.14 and 6,178.19 is: 8,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.73 : 15,475.14 = 6,178.19 : x
  2. Step 2: Convert to fraction form
    11,213.73/15,475.14 = 6,178.19/x
  3. Step 3: Cross multiply
    11,213.73x = 15,475.14 × 6,178.19
  4. Step 4: Simplify right side
    11,213.73x = 95,608,277.82
  5. Step 5: Solve for x
    x = 95,608,277.82/11,213.73
  6. Step 6: Final answer
    x = 8,526.00

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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.