Home / 13,531.76-20,292.44-4,645.43

Finding the Fourth Proportional to 13,531.76, 20,292.44 and 4,645.43

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Solution

The fourth proportional to 13,531.76, 20,292.44 and 4,645.43 is: 6,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.76 : 20,292.44 = 4,645.43 : x
  2. Step 2: Convert to fraction form
    13,531.76/20,292.44 = 4,645.43/x
  3. Step 3: Cross multiply
    13,531.76x = 20,292.44 × 4,645.43
  4. Step 4: Simplify right side
    13,531.76x = 94,267,078.38
  5. Step 5: Solve for x
    x = 94,267,078.38/13,531.76
  6. Step 6: Final answer
    x = 6,966.36

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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.