Home / 11,427.20-17,137.92-4,501.76

Finding the Fourth Proportional to 11,427.20, 17,137.92 and 4,501.76

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Solution

The fourth proportional to 11,427.20, 17,137.92 and 4,501.76 is: 6,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.20 : 17,137.92 = 4,501.76 : x
  2. Step 2: Convert to fraction form
    11,427.20/17,137.92 = 4,501.76/x
  3. Step 3: Cross multiply
    11,427.20x = 17,137.92 × 4,501.76
  4. Step 4: Simplify right side
    11,427.20x = 77,150,802.74
  5. Step 5: Solve for x
    x = 77,150,802.74/11,427.20
  6. Step 6: Final answer
    x = 6,751.51

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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.