Home / 10,132.40-13,989.03-6,549.23

Finding the Fourth Proportional to 10,132.40, 13,989.03 and 6,549.23

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Solution

The fourth proportional to 10,132.40, 13,989.03 and 6,549.23 is: 9,042.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,132.40 : 13,989.03 = 6,549.23 : x
  2. Step 2: Convert to fraction form
    10,132.40/13,989.03 = 6,549.23/x
  3. Step 3: Cross multiply
    10,132.40x = 13,989.03 × 6,549.23
  4. Step 4: Simplify right side
    10,132.40x = 91,617,374.95
  5. Step 5: Solve for x
    x = 91,617,374.95/10,132.40
  6. Step 6: Final answer
    x = 9,042.02

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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.