Home / 10,114.31-15,151.44-4,770.17

Finding the Fourth Proportional to 10,114.31, 15,151.44 and 4,770.17

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Solution

The fourth proportional to 10,114.31, 15,151.44 and 4,770.17 is: 7,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.31 : 15,151.44 = 4,770.17 : x
  2. Step 2: Convert to fraction form
    10,114.31/15,151.44 = 4,770.17/x
  3. Step 3: Cross multiply
    10,114.31x = 15,151.44 × 4,770.17
  4. Step 4: Simplify right side
    10,114.31x = 72,274,944.54
  5. Step 5: Solve for x
    x = 72,274,944.54/10,114.31
  6. Step 6: Final answer
    x = 7,145.81

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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.