Home / 15,147.84-20,877.75-14,273.04

Finding the Fourth Proportional to 15,147.84, 20,877.75 and 14,273.04

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Solution

The fourth proportional to 15,147.84, 20,877.75 and 14,273.04 is: 19,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.84 : 20,877.75 = 14,273.04 : x
  2. Step 2: Convert to fraction form
    15,147.84/20,877.75 = 14,273.04/x
  3. Step 3: Cross multiply
    15,147.84x = 20,877.75 × 14,273.04
  4. Step 4: Simplify right side
    15,147.84x = 297,988,960.86
  5. Step 5: Solve for x
    x = 297,988,960.86/15,147.84
  6. Step 6: Final answer
    x = 19,672.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.