Home / 11,270.18-15,557.39-6,797.77

Finding the Fourth Proportional to 11,270.18, 15,557.39 and 6,797.77

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Solution

The fourth proportional to 11,270.18, 15,557.39 and 6,797.77 is: 9,383.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,270.18 : 15,557.39 = 6,797.77 : x
  2. Step 2: Convert to fraction form
    11,270.18/15,557.39 = 6,797.77/x
  3. Step 3: Cross multiply
    11,270.18x = 15,557.39 × 6,797.77
  4. Step 4: Simplify right side
    11,270.18x = 105,755,559.02
  5. Step 5: Solve for x
    x = 105,755,559.02/11,270.18
  6. Step 6: Final answer
    x = 9,383.66

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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.