Home / 20,204.56-30,306.99-7,557.17

Finding the Fourth Proportional to 20,204.56, 30,306.99 and 7,557.17

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Solution

The fourth proportional to 20,204.56, 30,306.99 and 7,557.17 is: 11,335.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.56 : 30,306.99 = 7,557.17 : x
  2. Step 2: Convert to fraction form
    20,204.56/30,306.99 = 7,557.17/x
  3. Step 3: Cross multiply
    20,204.56x = 30,306.99 × 7,557.17
  4. Step 4: Simplify right side
    20,204.56x = 229,035,075.62
  5. Step 5: Solve for x
    x = 229,035,075.62/20,204.56
  6. Step 6: Final answer
    x = 11,335.81

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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.