Home / 9,013.85-13,520.76-3,392.57

Finding the Fourth Proportional to 9,013.85, 13,520.76 and 3,392.57

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Solution

The fourth proportional to 9,013.85, 13,520.76 and 3,392.57 is: 5,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.85 : 13,520.76 = 3,392.57 : x
  2. Step 2: Convert to fraction form
    9,013.85/13,520.76 = 3,392.57/x
  3. Step 3: Cross multiply
    9,013.85x = 13,520.76 × 3,392.57
  4. Step 4: Simplify right side
    9,013.85x = 45,870,057.15
  5. Step 5: Solve for x
    x = 45,870,057.15/9,013.85
  6. Step 6: Final answer
    x = 5,088.84

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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.