Home / 13,316.92-19,874.11-11,840.74

Finding the Fourth Proportional to 13,316.92, 19,874.11 and 11,840.74

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Solution

The fourth proportional to 13,316.92, 19,874.11 and 11,840.74 is: 17,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316.92 : 19,874.11 = 11,840.74 : x
  2. Step 2: Convert to fraction form
    13,316.92/19,874.11 = 11,840.74/x
  3. Step 3: Cross multiply
    13,316.92x = 19,874.11 × 11,840.74
  4. Step 4: Simplify right side
    13,316.92x = 235,324,169.24
  5. Step 5: Solve for x
    x = 235,324,169.24/13,316.92
  6. Step 6: Final answer
    x = 17,671.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.