Home / 20,376.46-30,569.30-7,228.85

Finding the Fourth Proportional to 20,376.46, 30,569.30 and 7,228.85

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Solution

The fourth proportional to 20,376.46, 30,569.30 and 7,228.85 is: 10,844.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,376.46 : 30,569.30 = 7,228.85 : x
  2. Step 2: Convert to fraction form
    20,376.46/30,569.30 = 7,228.85/x
  3. Step 3: Cross multiply
    20,376.46x = 30,569.30 × 7,228.85
  4. Step 4: Simplify right side
    20,376.46x = 220,980,722.42
  5. Step 5: Solve for x
    x = 220,980,722.42/20,376.46
  6. Step 6: Final answer
    x = 10,844.90

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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.