Home / 20,411.24-30,613.98-6,368

Finding the Fourth Proportional to 20,411.24, 30,613.98 and 6,368

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Solution

The fourth proportional to 20,411.24, 30,613.98 and 6,368 is: 9,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,411.24 : 30,613.98 = 6,368 : x
  2. Step 2: Convert to fraction form
    20,411.24/30,613.98 = 6,368/x
  3. Step 3: Cross multiply
    20,411.24x = 30,613.98 × 6,368
  4. Step 4: Simplify right side
    20,411.24x = 194,949,824.64
  5. Step 5: Solve for x
    x = 194,949,824.64/20,411.24
  6. Step 6: Final answer
    x = 9,551.10

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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.