Home / 10,749.40-16,130.25-4,174.73

Finding the Fourth Proportional to 10,749.40, 16,130.25 and 4,174.73

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Solution

The fourth proportional to 10,749.40, 16,130.25 and 4,174.73 is: 6,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,749.40 : 16,130.25 = 4,174.73 : x
  2. Step 2: Convert to fraction form
    10,749.40/16,130.25 = 4,174.73/x
  3. Step 3: Cross multiply
    10,749.40x = 16,130.25 × 4,174.73
  4. Step 4: Simplify right side
    10,749.40x = 67,339,438.58
  5. Step 5: Solve for x
    x = 67,339,438.58/10,749.40
  6. Step 6: Final answer
    x = 6,264.48

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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.