Home / 10,875.43-15,002.61-6,396.33

Finding the Fourth Proportional to 10,875.43, 15,002.61 and 6,396.33

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Solution

The fourth proportional to 10,875.43, 15,002.61 and 6,396.33 is: 8,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,875.43 : 15,002.61 = 6,396.33 : x
  2. Step 2: Convert to fraction form
    10,875.43/15,002.61 = 6,396.33/x
  3. Step 3: Cross multiply
    10,875.43x = 15,002.61 × 6,396.33
  4. Step 4: Simplify right side
    10,875.43x = 95,961,644.42
  5. Step 5: Solve for x
    x = 95,961,644.42/10,875.43
  6. Step 6: Final answer
    x = 8,823.71

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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.