Home / 19,545.07-26,943.84-12,819.04

Finding the Fourth Proportional to 19,545.07, 26,943.84 and 12,819.04

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Solution

The fourth proportional to 19,545.07, 26,943.84 and 12,819.04 is: 17,671.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.07 : 26,943.84 = 12,819.04 : x
  2. Step 2: Convert to fraction form
    19,545.07/26,943.84 = 12,819.04/x
  3. Step 3: Cross multiply
    19,545.07x = 26,943.84 × 12,819.04
  4. Step 4: Simplify right side
    19,545.07x = 345,394,162.71
  5. Step 5: Solve for x
    x = 345,394,162.71/19,545.07
  6. Step 6: Final answer
    x = 17,671.68

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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.