Home / 15,781.55-23,668.25-4,685.73

Finding the Fourth Proportional to 15,781.55, 23,668.25 and 4,685.73

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Solution

The fourth proportional to 15,781.55, 23,668.25 and 4,685.73 is: 7,027.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.55 : 23,668.25 = 4,685.73 : x
  2. Step 2: Convert to fraction form
    15,781.55/23,668.25 = 4,685.73/x
  3. Step 3: Cross multiply
    15,781.55x = 23,668.25 × 4,685.73
  4. Step 4: Simplify right side
    15,781.55x = 110,903,040.79
  5. Step 5: Solve for x
    x = 110,903,040.79/15,781.55
  6. Step 6: Final answer
    x = 7,027.38

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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.