Home / 19,262.76-28,894.32-6,115.20

Finding the Fourth Proportional to 19,262.76, 28,894.32 and 6,115.20

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Solution

The fourth proportional to 19,262.76, 28,894.32 and 6,115.20 is: 9,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.76 : 28,894.32 = 6,115.20 : x
  2. Step 2: Convert to fraction form
    19,262.76/28,894.32 = 6,115.20/x
  3. Step 3: Cross multiply
    19,262.76x = 28,894.32 × 6,115.20
  4. Step 4: Simplify right side
    19,262.76x = 176,694,545.66
  5. Step 5: Solve for x
    x = 176,694,545.66/19,262.76
  6. Step 6: Final answer
    x = 9,172.86

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1.5x scale

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.