Home / 42,734.13-64,101.25-11,144.17

Finding the Fourth Proportional to 42,734.13, 64,101.25 and 11,144.17

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Solution

The fourth proportional to 42,734.13, 64,101.25 and 11,144.17 is: 16,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734.13 : 64,101.25 = 11,144.17 : x
  2. Step 2: Convert to fraction form
    42,734.13/64,101.25 = 11,144.17/x
  3. Step 3: Cross multiply
    42,734.13x = 64,101.25 × 11,144.17
  4. Step 4: Simplify right side
    42,734.13x = 714,355,025.17
  5. Step 5: Solve for x
    x = 714,355,025.17/42,734.13
  6. Step 6: Final answer
    x = 16,716.26

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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.