Home / 11,158.50-15,398.91-6,190.50

Finding the Fourth Proportional to 11,158.50, 15,398.91 and 6,190.50

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Solution

The fourth proportional to 11,158.50, 15,398.91 and 6,190.50 is: 8,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.50 : 15,398.91 = 6,190.50 : x
  2. Step 2: Convert to fraction form
    11,158.50/15,398.91 = 6,190.50/x
  3. Step 3: Cross multiply
    11,158.50x = 15,398.91 × 6,190.50
  4. Step 4: Simplify right side
    11,158.50x = 95,326,952.36
  5. Step 5: Solve for x
    x = 95,326,952.36/11,158.50
  6. Step 6: Final answer
    x = 8,542.99

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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.