Home / 10,530.92-15,796.43-4,290.99

Finding the Fourth Proportional to 10,530.92, 15,796.43 and 4,290.99

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Solution

The fourth proportional to 10,530.92, 15,796.43 and 4,290.99 is: 6,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.92 : 15,796.43 = 4,290.99 : x
  2. Step 2: Convert to fraction form
    10,530.92/15,796.43 = 4,290.99/x
  3. Step 3: Cross multiply
    10,530.92x = 15,796.43 × 4,290.99
  4. Step 4: Simplify right side
    10,530.92x = 67,782,323.17
  5. Step 5: Solve for x
    x = 67,782,323.17/10,530.92
  6. Step 6: Final answer
    x = 6,436.51

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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.