Home / 10,989.92-15,166.04-5,954.12

Finding the Fourth Proportional to 10,989.92, 15,166.04 and 5,954.12

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Solution

The fourth proportional to 10,989.92, 15,166.04 and 5,954.12 is: 8,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.92 : 15,166.04 = 5,954.12 : x
  2. Step 2: Convert to fraction form
    10,989.92/15,166.04 = 5,954.12/x
  3. Step 3: Cross multiply
    10,989.92x = 15,166.04 × 5,954.12
  4. Step 4: Simplify right side
    10,989.92x = 90,300,422.08
  5. Step 5: Solve for x
    x = 90,300,422.08/10,989.92
  6. Step 6: Final answer
    x = 8,216.66

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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.