Home / 11,127.02-15,350.09-6,408.56

Finding the Fourth Proportional to 11,127.02, 15,350.09 and 6,408.56

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Solution

The fourth proportional to 11,127.02, 15,350.09 and 6,408.56 is: 8,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,127.02 : 15,350.09 = 6,408.56 : x
  2. Step 2: Convert to fraction form
    11,127.02/15,350.09 = 6,408.56/x
  3. Step 3: Cross multiply
    11,127.02x = 15,350.09 × 6,408.56
  4. Step 4: Simplify right side
    11,127.02x = 98,371,863.98
  5. Step 5: Solve for x
    x = 98,371,863.98/11,127.02
  6. Step 6: Final answer
    x = 8,840.81

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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.