Home / 15,531.10-23,308.29-11,381.67

Finding the Fourth Proportional to 15,531.10, 23,308.29 and 11,381.67

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Solution

The fourth proportional to 15,531.10, 23,308.29 and 11,381.67 is: 17,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,531.10 : 23,308.29 = 11,381.67 : x
  2. Step 2: Convert to fraction form
    15,531.10/23,308.29 = 11,381.67/x
  3. Step 3: Cross multiply
    15,531.10x = 23,308.29 × 11,381.67
  4. Step 4: Simplify right side
    15,531.10x = 265,287,265.04
  5. Step 5: Solve for x
    x = 265,287,265.04/15,531.10
  6. Step 6: Final answer
    x = 17,081.04

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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.