Home / 15,131.52-20,882.88-8,844.84

Finding the Fourth Proportional to 15,131.52, 20,882.88 and 8,844.84

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Solution

The fourth proportional to 15,131.52, 20,882.88 and 8,844.84 is: 12,206.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.52 : 20,882.88 = 8,844.84 : x
  2. Step 2: Convert to fraction form
    15,131.52/20,882.88 = 8,844.84/x
  3. Step 3: Cross multiply
    15,131.52x = 20,882.88 × 8,844.84
  4. Step 4: Simplify right side
    15,131.52x = 184,705,732.34
  5. Step 5: Solve for x
    x = 184,705,732.34/15,131.52
  6. Step 6: Final answer
    x = 12,206.69

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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.