Home / 13,569.12-20,354.29-3,708.18

Finding the Fourth Proportional to 13,569.12, 20,354.29 and 3,708.18

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Solution

The fourth proportional to 13,569.12, 20,354.29 and 3,708.18 is: 5,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,569.12 : 20,354.29 = 3,708.18 : x
  2. Step 2: Convert to fraction form
    13,569.12/20,354.29 = 3,708.18/x
  3. Step 3: Cross multiply
    13,569.12x = 20,354.29 × 3,708.18
  4. Step 4: Simplify right side
    13,569.12x = 75,477,361.82
  5. Step 5: Solve for x
    x = 75,477,361.82/13,569.12
  6. Step 6: Final answer
    x = 5,562.44

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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.