Home / 15,640.26-23,445.81-5,776.89

Finding the Fourth Proportional to 15,640.26, 23,445.81 and 5,776.89

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Solution

The fourth proportional to 15,640.26, 23,445.81 and 5,776.89 is: 8,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.26 : 23,445.81 = 5,776.89 : x
  2. Step 2: Convert to fraction form
    15,640.26/23,445.81 = 5,776.89/x
  3. Step 3: Cross multiply
    15,640.26x = 23,445.81 × 5,776.89
  4. Step 4: Simplify right side
    15,640.26x = 135,443,865.33
  5. Step 5: Solve for x
    x = 135,443,865.33/15,640.26
  6. Step 6: Final answer
    x = 8,659.95

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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.