Home / 22,859.18-31,545.09-12,788.04

Finding the Fourth Proportional to 22,859.18, 31,545.09 and 12,788.04

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Solution

The fourth proportional to 22,859.18, 31,545.09 and 12,788.04 is: 17,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,859.18 : 31,545.09 = 12,788.04 : x
  2. Step 2: Convert to fraction form
    22,859.18/31,545.09 = 12,788.04/x
  3. Step 3: Cross multiply
    22,859.18x = 31,545.09 × 12,788.04
  4. Step 4: Simplify right side
    22,859.18x = 403,399,872.72
  5. Step 5: Solve for x
    x = 403,399,872.72/22,859.18
  6. Step 6: Final answer
    x = 17,647.18

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1.5x scale

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.