Home / 14,569.68-21,853.04-8,722

Finding the Fourth Proportional to 14,569.68, 21,853.04 and 8,722

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Solution

The fourth proportional to 14,569.68, 21,853.04 and 8,722 is: 13,082.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,569.68 : 21,853.04 = 8,722 : x
  2. Step 2: Convert to fraction form
    14,569.68/21,853.04 = 8,722/x
  3. Step 3: Cross multiply
    14,569.68x = 21,853.04 × 8,722
  4. Step 4: Simplify right side
    14,569.68x = 190,602,214.88
  5. Step 5: Solve for x
    x = 190,602,214.88/14,569.68
  6. Step 6: Final answer
    x = 13,082.11

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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.