Home / 15,938.02-23,865.33-13,432.53

Finding the Fourth Proportional to 15,938.02, 23,865.33 and 13,432.53

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Solution

The fourth proportional to 15,938.02, 23,865.33 and 13,432.53 is: 20,113.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,938.02 : 23,865.33 = 13,432.53 : x
  2. Step 2: Convert to fraction form
    15,938.02/23,865.33 = 13,432.53/x
  3. Step 3: Cross multiply
    15,938.02x = 23,865.33 × 13,432.53
  4. Step 4: Simplify right side
    15,938.02x = 320,571,901.05
  5. Step 5: Solve for x
    x = 320,571,901.05/15,938.02
  6. Step 6: Final answer
    x = 20,113.66

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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.