Home / 10,617.73-15,926.53-2,720.23

Finding the Fourth Proportional to 10,617.73, 15,926.53 and 2,720.23

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Solution

The fourth proportional to 10,617.73, 15,926.53 and 2,720.23 is: 4,080.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.73 : 15,926.53 = 2,720.23 : x
  2. Step 2: Convert to fraction form
    10,617.73/15,926.53 = 2,720.23/x
  3. Step 3: Cross multiply
    10,617.73x = 15,926.53 × 2,720.23
  4. Step 4: Simplify right side
    10,617.73x = 43,323,824.70
  5. Step 5: Solve for x
    x = 43,323,824.70/10,617.73
  6. Step 6: Final answer
    x = 4,080.33

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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.