Home / 11,224.34-15,490.52-6,189.55

Finding the Fourth Proportional to 11,224.34, 15,490.52 and 6,189.55

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Solution

The fourth proportional to 11,224.34, 15,490.52 and 6,189.55 is: 8,542.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,224.34 : 15,490.52 = 6,189.55 : x
  2. Step 2: Convert to fraction form
    11,224.34/15,490.52 = 6,189.55/x
  3. Step 3: Cross multiply
    11,224.34x = 15,490.52 × 6,189.55
  4. Step 4: Simplify right side
    11,224.34x = 95,879,317.12
  5. Step 5: Solve for x
    x = 95,879,317.12/11,224.34
  6. Step 6: Final answer
    x = 8,542.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.