Home / 10,144.74-15,217.47-2,749.34

Finding the Fourth Proportional to 10,144.74, 15,217.47 and 2,749.34

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Solution

The fourth proportional to 10,144.74, 15,217.47 and 2,749.34 is: 4,124.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.74 : 15,217.47 = 2,749.34 : x
  2. Step 2: Convert to fraction form
    10,144.74/15,217.47 = 2,749.34/x
  3. Step 3: Cross multiply
    10,144.74x = 15,217.47 × 2,749.34
  4. Step 4: Simplify right side
    10,144.74x = 41,838,037.01
  5. Step 5: Solve for x
    x = 41,838,037.01/10,144.74
  6. Step 6: Final answer
    x = 4,124.11

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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.