Home / 15,470.90-23,205.29-7,157.57

Finding the Fourth Proportional to 15,470.90, 23,205.29 and 7,157.57

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Solution

The fourth proportional to 15,470.90, 23,205.29 and 7,157.57 is: 10,735.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,470.90 : 23,205.29 = 7,157.57 : x
  2. Step 2: Convert to fraction form
    15,470.90/23,205.29 = 7,157.57/x
  3. Step 3: Cross multiply
    15,470.90x = 23,205.29 × 7,157.57
  4. Step 4: Simplify right side
    15,470.90x = 166,093,335.73
  5. Step 5: Solve for x
    x = 166,093,335.73/15,470.90
  6. Step 6: Final answer
    x = 10,735.86

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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.