Home / 13,387.47-20,082.24-3,526.63

Finding the Fourth Proportional to 13,387.47, 20,082.24 and 3,526.63

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Solution

The fourth proportional to 13,387.47, 20,082.24 and 3,526.63 is: 5,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.47 : 20,082.24 = 3,526.63 : x
  2. Step 2: Convert to fraction form
    13,387.47/20,082.24 = 3,526.63/x
  3. Step 3: Cross multiply
    13,387.47x = 20,082.24 × 3,526.63
  4. Step 4: Simplify right side
    13,387.47x = 70,822,630.05
  5. Step 5: Solve for x
    x = 70,822,630.05/13,387.47
  6. Step 6: Final answer
    x = 5,290.22

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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.