Home / 15,644.40-23,470.98-6,290.97

Finding the Fourth Proportional to 15,644.40, 23,470.98 and 6,290.97

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Solution

The fourth proportional to 15,644.40, 23,470.98 and 6,290.97 is: 9,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.40 : 23,470.98 = 6,290.97 : x
  2. Step 2: Convert to fraction form
    15,644.40/23,470.98 = 6,290.97/x
  3. Step 3: Cross multiply
    15,644.40x = 23,470.98 × 6,290.97
  4. Step 4: Simplify right side
    15,644.40x = 147,655,231.05
  5. Step 5: Solve for x
    x = 147,655,231.05/15,644.40
  6. Step 6: Final answer
    x = 9,438.22

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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.