Home / 11,143.48-16,719.54-4,572.76

Finding the Fourth Proportional to 11,143.48, 16,719.54 and 4,572.76

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Solution

The fourth proportional to 11,143.48, 16,719.54 and 4,572.76 is: 6,860.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,143.48 : 16,719.54 = 4,572.76 : x
  2. Step 2: Convert to fraction form
    11,143.48/16,719.54 = 4,572.76/x
  3. Step 3: Cross multiply
    11,143.48x = 16,719.54 × 4,572.76
  4. Step 4: Simplify right side
    11,143.48x = 76,454,443.73
  5. Step 5: Solve for x
    x = 76,454,443.73/11,143.48
  6. Step 6: Final answer
    x = 6,860.91

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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.