Home / 15,205.60-20,976.48-9,537.52

Finding the Fourth Proportional to 15,205.60, 20,976.48 and 9,537.52

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Solution

The fourth proportional to 15,205.60, 20,976.48 and 9,537.52 is: 13,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,205.60 : 20,976.48 = 9,537.52 : x
  2. Step 2: Convert to fraction form
    15,205.60/20,976.48 = 9,537.52/x
  3. Step 3: Cross multiply
    15,205.60x = 20,976.48 × 9,537.52
  4. Step 4: Simplify right side
    15,205.60x = 200,063,597.53
  5. Step 5: Solve for x
    x = 200,063,597.53/15,205.60
  6. Step 6: Final answer
    x = 13,157.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.