Home / 13,344.80-20,017.18-5,445.58

Finding the Fourth Proportional to 13,344.80, 20,017.18 and 5,445.58

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Solution

The fourth proportional to 13,344.80, 20,017.18 and 5,445.58 is: 8,168.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.80 : 20,017.18 = 5,445.58 : x
  2. Step 2: Convert to fraction form
    13,344.80/20,017.18 = 5,445.58/x
  3. Step 3: Cross multiply
    13,344.80x = 20,017.18 × 5,445.58
  4. Step 4: Simplify right side
    13,344.80x = 109,005,155.06
  5. Step 5: Solve for x
    x = 109,005,155.06/13,344.80
  6. Step 6: Final answer
    x = 8,168.36

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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.