Home / 11,274.70-15,557.67-6,238.21

Finding the Fourth Proportional to 11,274.70, 15,557.67 and 6,238.21

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Solution

The fourth proportional to 11,274.70, 15,557.67 and 6,238.21 is: 8,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,274.70 : 15,557.67 = 6,238.21 : x
  2. Step 2: Convert to fraction form
    11,274.70/15,557.67 = 6,238.21/x
  3. Step 3: Cross multiply
    11,274.70x = 15,557.67 × 6,238.21
  4. Step 4: Simplify right side
    11,274.70x = 97,052,012.57
  5. Step 5: Solve for x
    x = 97,052,012.57/11,274.70
  6. Step 6: Final answer
    x = 8,607.95

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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.