Home / 11,948.17-17,919.84-11,355.40

Finding the Fourth Proportional to 11,948.17, 17,919.84 and 11,355.40

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Solution

The fourth proportional to 11,948.17, 17,919.84 and 11,355.40 is: 17,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.17 : 17,919.84 = 11,355.40 : x
  2. Step 2: Convert to fraction form
    11,948.17/17,919.84 = 11,355.40/x
  3. Step 3: Cross multiply
    11,948.17x = 17,919.84 × 11,355.40
  4. Step 4: Simplify right side
    11,948.17x = 203,486,951.14
  5. Step 5: Solve for x
    x = 203,486,951.14/11,948.17
  6. Step 6: Final answer
    x = 17,030.80

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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.