Home / 10,228.68-15,343.02-6,765.12

Finding the Fourth Proportional to 10,228.68, 15,343.02 and 6,765.12

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Solution

The fourth proportional to 10,228.68, 15,343.02 and 6,765.12 is: 10,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,228.68 : 15,343.02 = 6,765.12 : x
  2. Step 2: Convert to fraction form
    10,228.68/15,343.02 = 6,765.12/x
  3. Step 3: Cross multiply
    10,228.68x = 15,343.02 × 6,765.12
  4. Step 4: Simplify right side
    10,228.68x = 103,797,371.46
  5. Step 5: Solve for x
    x = 103,797,371.46/10,228.68
  6. Step 6: Final answer
    x = 10,147.68

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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.