Home / 10,989.83-15,165.97-5,954.07

Finding the Fourth Proportional to 10,989.83, 15,165.97 and 5,954.07

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Solution

The fourth proportional to 10,989.83, 15,165.97 and 5,954.07 is: 8,216.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.83 : 15,165.97 = 5,954.07 : x
  2. Step 2: Convert to fraction form
    10,989.83/15,165.97 = 5,954.07/x
  3. Step 3: Cross multiply
    10,989.83x = 15,165.97 × 5,954.07
  4. Step 4: Simplify right side
    10,989.83x = 90,299,232.11
  5. Step 5: Solve for x
    x = 90,299,232.11/10,989.83
  6. Step 6: Final answer
    x = 8,216.62

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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.