Home / 10,144.78-15,225.01-6,633.83

Finding the Fourth Proportional to 10,144.78, 15,225.01 and 6,633.83

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Solution

The fourth proportional to 10,144.78, 15,225.01 and 6,633.83 is: 9,955.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.78 : 15,225.01 = 6,633.83 : x
  2. Step 2: Convert to fraction form
    10,144.78/15,225.01 = 6,633.83/x
  3. Step 3: Cross multiply
    10,144.78x = 15,225.01 × 6,633.83
  4. Step 4: Simplify right side
    10,144.78x = 101,000,186.88
  5. Step 5: Solve for x
    x = 101,000,186.88/10,144.78
  6. Step 6: Final answer
    x = 9,955.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.