Home / 10,545.08-15,819.44-4,308.48

Finding the Fourth Proportional to 10,545.08, 15,819.44 and 4,308.48

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Solution

The fourth proportional to 10,545.08, 15,819.44 and 4,308.48 is: 6,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,545.08 : 15,819.44 = 4,308.48 : x
  2. Step 2: Convert to fraction form
    10,545.08/15,819.44 = 4,308.48/x
  3. Step 3: Cross multiply
    10,545.08x = 15,819.44 × 4,308.48
  4. Step 4: Simplify right side
    10,545.08x = 68,157,740.85
  5. Step 5: Solve for x
    x = 68,157,740.85/10,545.08
  6. Step 6: Final answer
    x = 6,463.46

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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.