Home / 10,345.73-15,518.74-2,949.87

Finding the Fourth Proportional to 10,345.73, 15,518.74 and 2,949.87

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Solution

The fourth proportional to 10,345.73, 15,518.74 and 2,949.87 is: 4,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.73 : 15,518.74 = 2,949.87 : x
  2. Step 2: Convert to fraction form
    10,345.73/15,518.74 = 2,949.87/x
  3. Step 3: Cross multiply
    10,345.73x = 15,518.74 × 2,949.87
  4. Step 4: Simplify right side
    10,345.73x = 45,778,234.62
  5. Step 5: Solve for x
    x = 45,778,234.62/10,345.73
  6. Step 6: Final answer
    x = 4,424.85

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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.