Home / 15,940.02-23,868.33-13,434.53

Finding the Fourth Proportional to 15,940.02, 23,868.33 and 13,434.53

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Solution

The fourth proportional to 15,940.02, 23,868.33 and 13,434.53 is: 20,116.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.02 : 23,868.33 = 13,434.53 : x
  2. Step 2: Convert to fraction form
    15,940.02/23,868.33 = 13,434.53/x
  3. Step 3: Cross multiply
    15,940.02x = 23,868.33 × 13,434.53
  4. Step 4: Simplify right side
    15,940.02x = 320,659,795.43
  5. Step 5: Solve for x
    x = 320,659,795.43/15,940.02
  6. Step 6: Final answer
    x = 20,116.65

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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.