Home / 11,182.35-15,431.00-6,877.08

Finding the Fourth Proportional to 11,182.35, 15,431.00 and 6,877.08

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Solution

The fourth proportional to 11,182.35, 15,431.00 and 6,877.08 is: 9,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.35 : 15,431.00 = 6,877.08 : x
  2. Step 2: Convert to fraction form
    11,182.35/15,431.00 = 6,877.08/x
  3. Step 3: Cross multiply
    11,182.35x = 15,431.00 × 6,877.08
  4. Step 4: Simplify right side
    11,182.35x = 106,120,238.67
  5. Step 5: Solve for x
    x = 106,120,238.67/11,182.35
  6. Step 6: Final answer
    x = 9,489.98

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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.