Home / 23,115.79-34,680.63-9,781.93

Finding the Fourth Proportional to 23,115.79, 34,680.63 and 9,781.93

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Solution

The fourth proportional to 23,115.79, 34,680.63 and 9,781.93 is: 14,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,115.79 : 34,680.63 = 9,781.93 : x
  2. Step 2: Convert to fraction form
    23,115.79/34,680.63 = 9,781.93/x
  3. Step 3: Cross multiply
    23,115.79x = 34,680.63 × 9,781.93
  4. Step 4: Simplify right side
    23,115.79x = 339,243,495.02
  5. Step 5: Solve for x
    x = 339,243,495.02/23,115.79
  6. Step 6: Final answer
    x = 14,675.83

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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.