Home / 20,734.78-31,101.99-5,943.70

Finding the Fourth Proportional to 20,734.78, 31,101.99 and 5,943.70

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Solution

The fourth proportional to 20,734.78, 31,101.99 and 5,943.70 is: 8,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.78 : 31,101.99 = 5,943.70 : x
  2. Step 2: Convert to fraction form
    20,734.78/31,101.99 = 5,943.70/x
  3. Step 3: Cross multiply
    20,734.78x = 31,101.99 × 5,943.70
  4. Step 4: Simplify right side
    20,734.78x = 184,860,897.96
  5. Step 5: Solve for x
    x = 184,860,897.96/20,734.78
  6. Step 6: Final answer
    x = 8,915.50

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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.