Home / 8,916.21-13,374.65-2,343.06

Finding the Fourth Proportional to 8,916.21, 13,374.65 and 2,343.06

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Solution

The fourth proportional to 8,916.21, 13,374.65 and 2,343.06 is: 3,514.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.21 : 13,374.65 = 2,343.06 : x
  2. Step 2: Convert to fraction form
    8,916.21/13,374.65 = 2,343.06/x
  3. Step 3: Cross multiply
    8,916.21x = 13,374.65 × 2,343.06
  4. Step 4: Simplify right side
    8,916.21x = 31,337,613.29
  5. Step 5: Solve for x
    x = 31,337,613.29/8,916.21
  6. Step 6: Final answer
    x = 3,514.68

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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.