Home / 15,620.40-23,433.72-5,759.72

Finding the Fourth Proportional to 15,620.40, 23,433.72 and 5,759.72

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Solution

The fourth proportional to 15,620.40, 23,433.72 and 5,759.72 is: 8,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,620.40 : 23,433.72 = 5,759.72 : x
  2. Step 2: Convert to fraction form
    15,620.40/23,433.72 = 5,759.72/x
  3. Step 3: Cross multiply
    15,620.40x = 23,433.72 × 5,759.72
  4. Step 4: Simplify right side
    15,620.40x = 134,971,665.76
  5. Step 5: Solve for x
    x = 134,971,665.76/15,620.40
  6. Step 6: Final answer
    x = 8,640.73

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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.