Home / 13,527.47-20,291.21-8,851.42

Finding the Fourth Proportional to 13,527.47, 20,291.21 and 8,851.42

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Solution

The fourth proportional to 13,527.47, 20,291.21 and 8,851.42 is: 13,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.47 : 20,291.21 = 8,851.42 : x
  2. Step 2: Convert to fraction form
    13,527.47/20,291.21 = 8,851.42/x
  3. Step 3: Cross multiply
    13,527.47x = 20,291.21 × 8,851.42
  4. Step 4: Simplify right side
    13,527.47x = 179,605,876.31
  5. Step 5: Solve for x
    x = 179,605,876.31/13,527.47
  6. Step 6: Final answer
    x = 13,277.12

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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.