Home / 20,156.84-30,227.48-6,644.77

Finding the Fourth Proportional to 20,156.84, 30,227.48 and 6,644.77

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Solution

The fourth proportional to 20,156.84, 30,227.48 and 6,644.77 is: 9,964.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156.84 : 30,227.48 = 6,644.77 : x
  2. Step 2: Convert to fraction form
    20,156.84/30,227.48 = 6,644.77/x
  3. Step 3: Cross multiply
    20,156.84x = 30,227.48 × 6,644.77
  4. Step 4: Simplify right side
    20,156.84x = 200,854,593.32
  5. Step 5: Solve for x
    x = 200,854,593.32/20,156.84
  6. Step 6: Final answer
    x = 9,964.59

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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.