Home / 10,949.78-16,424.70-4,705.76

Finding the Fourth Proportional to 10,949.78, 16,424.70 and 4,705.76

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Solution

The fourth proportional to 10,949.78, 16,424.70 and 4,705.76 is: 7,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,949.78 : 16,424.70 = 4,705.76 : x
  2. Step 2: Convert to fraction form
    10,949.78/16,424.70 = 4,705.76/x
  3. Step 3: Cross multiply
    10,949.78x = 16,424.70 × 4,705.76
  4. Step 4: Simplify right side
    10,949.78x = 77,290,696.27
  5. Step 5: Solve for x
    x = 77,290,696.27/10,949.78
  6. Step 6: Final answer
    x = 7,058.65

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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.