Home / 9,989.20-14,983.80-4,144.24

Finding the Fourth Proportional to 9,989.20, 14,983.80 and 4,144.24

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Solution

The fourth proportional to 9,989.20, 14,983.80 and 4,144.24 is: 6,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989.20 : 14,983.80 = 4,144.24 : x
  2. Step 2: Convert to fraction form
    9,989.20/14,983.80 = 4,144.24/x
  3. Step 3: Cross multiply
    9,989.20x = 14,983.80 × 4,144.24
  4. Step 4: Simplify right side
    9,989.20x = 62,096,463.31
  5. Step 5: Solve for x
    x = 62,096,463.31/9,989.20
  6. Step 6: Final answer
    x = 6,216.36

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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.