Home / 13,627.32-20,435.70-5,306.19

Finding the Fourth Proportional to 13,627.32, 20,435.70 and 5,306.19

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Solution

The fourth proportional to 13,627.32, 20,435.70 and 5,306.19 is: 7,957.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.32 : 20,435.70 = 5,306.19 : x
  2. Step 2: Convert to fraction form
    13,627.32/20,435.70 = 5,306.19/x
  3. Step 3: Cross multiply
    13,627.32x = 20,435.70 × 5,306.19
  4. Step 4: Simplify right side
    13,627.32x = 108,435,706.98
  5. Step 5: Solve for x
    x = 108,435,706.98/13,627.32
  6. Step 6: Final answer
    x = 7,957.23

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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.