Home / 10,989.53-15,165.23-6,452.13

Finding the Fourth Proportional to 10,989.53, 15,165.23 and 6,452.13

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Solution

The fourth proportional to 10,989.53, 15,165.23 and 6,452.13 is: 8,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.53 : 15,165.23 = 6,452.13 : x
  2. Step 2: Convert to fraction form
    10,989.53/15,165.23 = 6,452.13/x
  3. Step 3: Cross multiply
    10,989.53x = 15,165.23 × 6,452.13
  4. Step 4: Simplify right side
    10,989.53x = 97,848,003.18
  5. Step 5: Solve for x
    x = 97,848,003.18/10,989.53
  6. Step 6: Final answer
    x = 8,903.75

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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.