Home / 15,993.46-23,998.87-6,639.90

Finding the Fourth Proportional to 15,993.46, 23,998.87 and 6,639.90

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Solution

The fourth proportional to 15,993.46, 23,998.87 and 6,639.90 is: 9,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,993.46 : 23,998.87 = 6,639.90 : x
  2. Step 2: Convert to fraction form
    15,993.46/23,998.87 = 6,639.90/x
  3. Step 3: Cross multiply
    15,993.46x = 23,998.87 × 6,639.90
  4. Step 4: Simplify right side
    15,993.46x = 159,350,096.91
  5. Step 5: Solve for x
    x = 159,350,096.91/15,993.46
  6. Step 6: Final answer
    x = 9,963.45

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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.