Home / 9,005.12-13,512.60-4,074.40

Finding the Fourth Proportional to 9,005.12, 13,512.60 and 4,074.40

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Solution

The fourth proportional to 9,005.12, 13,512.60 and 4,074.40 is: 6,113.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,005.12 : 13,512.60 = 4,074.40 : x
  2. Step 2: Convert to fraction form
    9,005.12/13,512.60 = 4,074.40/x
  3. Step 3: Cross multiply
    9,005.12x = 13,512.60 × 4,074.40
  4. Step 4: Simplify right side
    9,005.12x = 55,055,737.44
  5. Step 5: Solve for x
    x = 55,055,737.44/9,005.12
  6. Step 6: Final answer
    x = 6,113.83

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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.