Home / 11,122.24-16,686.86-4,887.49

Finding the Fourth Proportional to 11,122.24, 16,686.86 and 4,887.49

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Solution

The fourth proportional to 11,122.24, 16,686.86 and 4,887.49 is: 7,332.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.24 : 16,686.86 = 4,887.49 : x
  2. Step 2: Convert to fraction form
    11,122.24/16,686.86 = 4,887.49/x
  3. Step 3: Cross multiply
    11,122.24x = 16,686.86 × 4,887.49
  4. Step 4: Simplify right side
    11,122.24x = 81,556,861.38
  5. Step 5: Solve for x
    x = 81,556,861.38/11,122.24
  6. Step 6: Final answer
    x = 7,332.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.