Home / 10,807.68-16,213.14-5,257.56

Finding the Fourth Proportional to 10,807.68, 16,213.14 and 5,257.56

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Solution

The fourth proportional to 10,807.68, 16,213.14 and 5,257.56 is: 7,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,807.68 : 16,213.14 = 5,257.56 : x
  2. Step 2: Convert to fraction form
    10,807.68/16,213.14 = 5,257.56/x
  3. Step 3: Cross multiply
    10,807.68x = 16,213.14 × 5,257.56
  4. Step 4: Simplify right side
    10,807.68x = 85,241,556.34
  5. Step 5: Solve for x
    x = 85,241,556.34/10,807.68
  6. Step 6: Final answer
    x = 7,887.13

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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.