Home / 9,013.32-13,520.70-3,171.24

Finding the Fourth Proportional to 9,013.32, 13,520.70 and 3,171.24

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Solution

The fourth proportional to 9,013.32, 13,520.70 and 3,171.24 is: 4,757.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,013.32 : 13,520.70 = 3,171.24 : x
  2. Step 2: Convert to fraction form
    9,013.32/13,520.70 = 3,171.24/x
  3. Step 3: Cross multiply
    9,013.32x = 13,520.70 × 3,171.24
  4. Step 4: Simplify right side
    9,013.32x = 42,877,384.67
  5. Step 5: Solve for x
    x = 42,877,384.67/9,013.32
  6. Step 6: Final answer
    x = 4,757.11

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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.