Home / 11,901.16-17,852.10-3,581.20

Finding the Fourth Proportional to 11,901.16, 17,852.10 and 3,581.20

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Solution

The fourth proportional to 11,901.16, 17,852.10 and 3,581.20 is: 5,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.16 : 17,852.10 = 3,581.20 : x
  2. Step 2: Convert to fraction form
    11,901.16/17,852.10 = 3,581.20/x
  3. Step 3: Cross multiply
    11,901.16x = 17,852.10 × 3,581.20
  4. Step 4: Simplify right side
    11,901.16x = 63,931,940.52
  5. Step 5: Solve for x
    x = 63,931,940.52/11,901.16
  6. Step 6: Final answer
    x = 5,371.91

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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.