Home / 10,345.33-15,518.91-2,949.63

Finding the Fourth Proportional to 10,345.33, 15,518.91 and 2,949.63

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Solution

The fourth proportional to 10,345.33, 15,518.91 and 2,949.63 is: 4,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.33 : 15,518.91 = 2,949.63 : x
  2. Step 2: Convert to fraction form
    10,345.33/15,518.91 = 2,949.63/x
  3. Step 3: Cross multiply
    10,345.33x = 15,518.91 × 2,949.63
  4. Step 4: Simplify right side
    10,345.33x = 45,775,042.50
  5. Step 5: Solve for x
    x = 45,775,042.50/10,345.33
  6. Step 6: Final answer
    x = 4,424.71

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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.