Home / 8,950.80-12,353.28-5,174.16

Finding the Fourth Proportional to 8,950.80, 12,353.28 and 5,174.16

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Solution

The fourth proportional to 8,950.80, 12,353.28 and 5,174.16 is: 7,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.80 : 12,353.28 = 5,174.16 : x
  2. Step 2: Convert to fraction form
    8,950.80/12,353.28 = 5,174.16/x
  3. Step 3: Cross multiply
    8,950.80x = 12,353.28 × 5,174.16
  4. Step 4: Simplify right side
    8,950.80x = 63,917,847.24
  5. Step 5: Solve for x
    x = 63,917,847.24/8,950.80
  6. Step 6: Final answer
    x = 7,141.02

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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.