Home / 20,006.32-30,011.01-5,965.28

Finding the Fourth Proportional to 20,006.32, 30,011.01 and 5,965.28

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Solution

The fourth proportional to 20,006.32, 30,011.01 and 5,965.28 is: 8,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.32 : 30,011.01 = 5,965.28 : x
  2. Step 2: Convert to fraction form
    20,006.32/30,011.01 = 5,965.28/x
  3. Step 3: Cross multiply
    20,006.32x = 30,011.01 × 5,965.28
  4. Step 4: Simplify right side
    20,006.32x = 179,023,897.85
  5. Step 5: Solve for x
    x = 179,023,897.85/20,006.32
  6. Step 6: Final answer
    x = 8,948.37

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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.