Home / 10,963.88-16,445.50-4,388.20

Finding the Fourth Proportional to 10,963.88, 16,445.50 and 4,388.20

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Solution

The fourth proportional to 10,963.88, 16,445.50 and 4,388.20 is: 6,582.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963.88 : 16,445.50 = 4,388.20 : x
  2. Step 2: Convert to fraction form
    10,963.88/16,445.50 = 4,388.20/x
  3. Step 3: Cross multiply
    10,963.88x = 16,445.50 × 4,388.20
  4. Step 4: Simplify right side
    10,963.88x = 72,166,143.10
  5. Step 5: Solve for x
    x = 72,166,143.10/10,963.88
  6. Step 6: Final answer
    x = 6,582.17

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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.