Home / 13,549.55-20,320.59-6,534.14

Finding the Fourth Proportional to 13,549.55, 20,320.59 and 6,534.14

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Solution

The fourth proportional to 13,549.55, 20,320.59 and 6,534.14 is: 9,799.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.55 : 20,320.59 = 6,534.14 : x
  2. Step 2: Convert to fraction form
    13,549.55/20,320.59 = 6,534.14/x
  3. Step 3: Cross multiply
    13,549.55x = 20,320.59 × 6,534.14
  4. Step 4: Simplify right side
    13,549.55x = 132,777,579.94
  5. Step 5: Solve for x
    x = 132,777,579.94/13,549.55
  6. Step 6: Final answer
    x = 9,799.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.