Home / 16,363.75-22,579.26-9,648.47

Finding the Fourth Proportional to 16,363.75, 22,579.26 and 9,648.47

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Solution

The fourth proportional to 16,363.75, 22,579.26 and 9,648.47 is: 13,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,363.75 : 22,579.26 = 9,648.47 : x
  2. Step 2: Convert to fraction form
    16,363.75/22,579.26 = 9,648.47/x
  3. Step 3: Cross multiply
    16,363.75x = 22,579.26 × 9,648.47
  4. Step 4: Simplify right side
    16,363.75x = 217,855,312.73
  5. Step 5: Solve for x
    x = 217,855,312.73/16,363.75
  6. Step 6: Final answer
    x = 13,313.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.