Home / 11,981.11-17,971.05-4,585

Finding the Fourth Proportional to 11,981.11, 17,971.05 and 4,585

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Solution

The fourth proportional to 11,981.11, 17,971.05 and 4,585 is: 6,877.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,981.11 : 17,971.05 = 4,585 : x
  2. Step 2: Convert to fraction form
    11,981.11/17,971.05 = 4,585/x
  3. Step 3: Cross multiply
    11,981.11x = 17,971.05 × 4,585
  4. Step 4: Simplify right side
    11,981.11x = 82,397,264.25
  5. Step 5: Solve for x
    x = 82,397,264.25/11,981.11
  6. Step 6: Final answer
    x = 6,877.26

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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.