Home / 13,455.35-20,182.57-7,227.52

Finding the Fourth Proportional to 13,455.35, 20,182.57 and 7,227.52

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Solution

The fourth proportional to 13,455.35, 20,182.57 and 7,227.52 is: 10,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455.35 : 20,182.57 = 7,227.52 : x
  2. Step 2: Convert to fraction form
    13,455.35/20,182.57 = 7,227.52/x
  3. Step 3: Cross multiply
    13,455.35x = 20,182.57 × 7,227.52
  4. Step 4: Simplify right side
    13,455.35x = 145,869,928.33
  5. Step 5: Solve for x
    x = 145,869,928.33/13,455.35
  6. Step 6: Final answer
    x = 10,841.04

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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.