Home / 13,317.17-19,974.20-11,110.05

Finding the Fourth Proportional to 13,317.17, 19,974.20 and 11,110.05

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Solution

The fourth proportional to 13,317.17, 19,974.20 and 11,110.05 is: 16,663.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,317.17 : 19,974.20 = 11,110.05 : x
  2. Step 2: Convert to fraction form
    13,317.17/19,974.20 = 11,110.05/x
  3. Step 3: Cross multiply
    13,317.17x = 19,974.20 × 11,110.05
  4. Step 4: Simplify right side
    13,317.17x = 221,914,360.71
  5. Step 5: Solve for x
    x = 221,914,360.71/13,317.17
  6. Step 6: Final answer
    x = 16,663.78

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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.