Home / 11,247.77-15,526.07-6,771.73

Finding the Fourth Proportional to 11,247.77, 15,526.07 and 6,771.73

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Solution

The fourth proportional to 11,247.77, 15,526.07 and 6,771.73 is: 9,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,247.77 : 15,526.07 = 6,771.73 : x
  2. Step 2: Convert to fraction form
    11,247.77/15,526.07 = 6,771.73/x
  3. Step 3: Cross multiply
    11,247.77x = 15,526.07 × 6,771.73
  4. Step 4: Simplify right side
    11,247.77x = 105,138,320.14
  5. Step 5: Solve for x
    x = 105,138,320.14/11,247.77
  6. Step 6: Final answer
    x = 9,347.48

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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.