Home / 10,758.32-16,122.90-7,995.42

Finding the Fourth Proportional to 10,758.32, 16,122.90 and 7,995.42

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Solution

The fourth proportional to 10,758.32, 16,122.90 and 7,995.42 is: 11,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,758.32 : 16,122.90 = 7,995.42 : x
  2. Step 2: Convert to fraction form
    10,758.32/16,122.90 = 7,995.42/x
  3. Step 3: Cross multiply
    10,758.32x = 16,122.90 × 7,995.42
  4. Step 4: Simplify right side
    10,758.32x = 128,909,357.12
  5. Step 5: Solve for x
    x = 128,909,357.12/10,758.32
  6. Step 6: Final answer
    x = 11,982.29

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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.