Home / 9,819.32-13,545.10-6,227.80

Finding the Fourth Proportional to 9,819.32, 13,545.10 and 6,227.80

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Solution

The fourth proportional to 9,819.32, 13,545.10 and 6,227.80 is: 8,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,819.32 : 13,545.10 = 6,227.80 : x
  2. Step 2: Convert to fraction form
    9,819.32/13,545.10 = 6,227.80/x
  3. Step 3: Cross multiply
    9,819.32x = 13,545.10 × 6,227.80
  4. Step 4: Simplify right side
    9,819.32x = 84,356,173.78
  5. Step 5: Solve for x
    x = 84,356,173.78/9,819.32
  6. Step 6: Final answer
    x = 8,590.84

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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.