Home / 10,114.19-15,172.19-2,718.48

Finding the Fourth Proportional to 10,114.19, 15,172.19 and 2,718.48

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Solution

The fourth proportional to 10,114.19, 15,172.19 and 2,718.48 is: 4,077.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,114.19 : 15,172.19 = 2,718.48 : x
  2. Step 2: Convert to fraction form
    10,114.19/15,172.19 = 2,718.48/x
  3. Step 3: Cross multiply
    10,114.19x = 15,172.19 × 2,718.48
  4. Step 4: Simplify right side
    10,114.19x = 41,245,301.87
  5. Step 5: Solve for x
    x = 41,245,301.87/10,114.19
  6. Step 6: Final answer
    x = 4,077.97

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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.