Home / 12,237.57-16,887.72-6,648.57

Finding the Fourth Proportional to 12,237.57, 16,887.72 and 6,648.57

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Solution

The fourth proportional to 12,237.57, 16,887.72 and 6,648.57 is: 9,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.57 : 16,887.72 = 6,648.57 : x
  2. Step 2: Convert to fraction form
    12,237.57/16,887.72 = 6,648.57/x
  3. Step 3: Cross multiply
    12,237.57x = 16,887.72 × 6,648.57
  4. Step 4: Simplify right side
    12,237.57x = 112,279,188.56
  5. Step 5: Solve for x
    x = 112,279,188.56/12,237.57
  6. Step 6: Final answer
    x = 9,174.96

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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.