Home / 15,990.43-23,983.48-4,304.35

Finding the Fourth Proportional to 15,990.43, 23,983.48 and 4,304.35

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Solution

The fourth proportional to 15,990.43, 23,983.48 and 4,304.35 is: 6,455.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.43 : 23,983.48 = 4,304.35 : x
  2. Step 2: Convert to fraction form
    15,990.43/23,983.48 = 4,304.35/x
  3. Step 3: Cross multiply
    15,990.43x = 23,983.48 × 4,304.35
  4. Step 4: Simplify right side
    15,990.43x = 103,233,150.70
  5. Step 5: Solve for x
    x = 103,233,150.70/15,990.43
  6. Step 6: Final answer
    x = 6,455.94

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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.