Home / 12,237.52-16,887.84-6,648.52

Finding the Fourth Proportional to 12,237.52, 16,887.84 and 6,648.52

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Solution

The fourth proportional to 12,237.52, 16,887.84 and 6,648.52 is: 9,174.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.52 : 16,887.84 = 6,648.52 : x
  2. Step 2: Convert to fraction form
    12,237.52/16,887.84 = 6,648.52/x
  3. Step 3: Cross multiply
    12,237.52x = 16,887.84 × 6,648.52
  4. Step 4: Simplify right side
    12,237.52x = 112,279,142.00
  5. Step 5: Solve for x
    x = 112,279,142.00/12,237.52
  6. Step 6: Final answer
    x = 9,174.99

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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.