Home / 22,679.34-34,009.36-8,631.51

Finding the Fourth Proportional to 22,679.34, 34,009.36 and 8,631.51

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Solution

The fourth proportional to 22,679.34, 34,009.36 and 8,631.51 is: 12,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.34 : 34,009.36 = 8,631.51 : x
  2. Step 2: Convert to fraction form
    22,679.34/34,009.36 = 8,631.51/x
  3. Step 3: Cross multiply
    22,679.34x = 34,009.36 × 8,631.51
  4. Step 4: Simplify right side
    22,679.34x = 293,552,130.93
  5. Step 5: Solve for x
    x = 293,552,130.93/22,679.34
  6. Step 6: Final answer
    x = 12,943.59

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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.