Home / 10,989.08-15,161.34-6,272.44

Finding the Fourth Proportional to 10,989.08, 15,161.34 and 6,272.44

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Solution

The fourth proportional to 10,989.08, 15,161.34 and 6,272.44 is: 8,653.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.08 : 15,161.34 = 6,272.44 : x
  2. Step 2: Convert to fraction form
    10,989.08/15,161.34 = 6,272.44/x
  3. Step 3: Cross multiply
    10,989.08x = 15,161.34 × 6,272.44
  4. Step 4: Simplify right side
    10,989.08x = 95,098,595.47
  5. Step 5: Solve for x
    x = 95,098,595.47/10,989.08
  6. Step 6: Final answer
    x = 8,653.92

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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.