Home / 10,142.55-15,212.07-2,746.04

Finding the Fourth Proportional to 10,142.55, 15,212.07 and 2,746.04

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Solution

The fourth proportional to 10,142.55, 15,212.07 and 2,746.04 is: 4,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142.55 : 15,212.07 = 2,746.04 : x
  2. Step 2: Convert to fraction form
    10,142.55/15,212.07 = 2,746.04/x
  3. Step 3: Cross multiply
    10,142.55x = 15,212.07 × 2,746.04
  4. Step 4: Simplify right side
    10,142.55x = 41,772,876.64
  5. Step 5: Solve for x
    x = 41,772,876.64/10,142.55
  6. Step 6: Final answer
    x = 4,118.58

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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.