Home / 10,324.90-15,490.32-3,749.32

Finding the Fourth Proportional to 10,324.90, 15,490.32 and 3,749.32

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Solution

The fourth proportional to 10,324.90, 15,490.32 and 3,749.32 is: 5,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,324.90 : 15,490.32 = 3,749.32 : x
  2. Step 2: Convert to fraction form
    10,324.90/15,490.32 = 3,749.32/x
  3. Step 3: Cross multiply
    10,324.90x = 15,490.32 × 3,749.32
  4. Step 4: Simplify right side
    10,324.90x = 58,078,166.58
  5. Step 5: Solve for x
    x = 58,078,166.58/10,324.90
  6. Step 6: Final answer
    x = 5,625.06

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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.