Home / 14,638.38-21,967.29-7,717.74

Finding the Fourth Proportional to 14,638.38, 21,967.29 and 7,717.74

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Solution

The fourth proportional to 14,638.38, 21,967.29 and 7,717.74 is: 11,581.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.38 : 21,967.29 = 7,717.74 : x
  2. Step 2: Convert to fraction form
    14,638.38/21,967.29 = 7,717.74/x
  3. Step 3: Cross multiply
    14,638.38x = 21,967.29 × 7,717.74
  4. Step 4: Simplify right side
    14,638.38x = 169,537,832.72
  5. Step 5: Solve for x
    x = 169,537,832.72/14,638.38
  6. Step 6: Final answer
    x = 11,581.73

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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.