Home / 14,515.93-21,781.20-10,825.57

Finding the Fourth Proportional to 14,515.93, 21,781.20 and 10,825.57

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Solution

The fourth proportional to 14,515.93, 21,781.20 and 10,825.57 is: 16,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.93 : 21,781.20 = 10,825.57 : x
  2. Step 2: Convert to fraction form
    14,515.93/21,781.20 = 10,825.57/x
  3. Step 3: Cross multiply
    14,515.93x = 21,781.20 × 10,825.57
  4. Step 4: Simplify right side
    14,515.93x = 235,793,905.28
  5. Step 5: Solve for x
    x = 235,793,905.28/14,515.93
  6. Step 6: Final answer
    x = 16,243.80

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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.