Home / 11,719.08-16,177.59-7,475.85

Finding the Fourth Proportional to 11,719.08, 16,177.59 and 7,475.85

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Solution

The fourth proportional to 11,719.08, 16,177.59 and 7,475.85 is: 10,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,719.08 : 16,177.59 = 7,475.85 : x
  2. Step 2: Convert to fraction form
    11,719.08/16,177.59 = 7,475.85/x
  3. Step 3: Cross multiply
    11,719.08x = 16,177.59 × 7,475.85
  4. Step 4: Simplify right side
    11,719.08x = 120,941,236.20
  5. Step 5: Solve for x
    x = 120,941,236.20/11,719.08
  6. Step 6: Final answer
    x = 10,320.03

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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.