Home / 11,127.50-15,356.67-6,159.50

Finding the Fourth Proportional to 11,127.50, 15,356.67 and 6,159.50

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Solution

The fourth proportional to 11,127.50, 15,356.67 and 6,159.50 is: 8,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.50 : 15,356.67 = 6,159.50 : x
  2. Step 2: Convert to fraction form
    11,127.50/15,356.67 = 6,159.50/x
  3. Step 3: Cross multiply
    11,127.50x = 15,356.67 × 6,159.50
  4. Step 4: Simplify right side
    11,127.50x = 94,589,408.87
  5. Step 5: Solve for x
    x = 94,589,408.87/11,127.50
  6. Step 6: Final answer
    x = 8,500.51

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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.