Home / 11,170.36-15,415.02-6,134.66

Finding the Fourth Proportional to 11,170.36, 15,415.02 and 6,134.66

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Solution

The fourth proportional to 11,170.36, 15,415.02 and 6,134.66 is: 8,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.36 : 15,415.02 = 6,134.66 : x
  2. Step 2: Convert to fraction form
    11,170.36/15,415.02 = 6,134.66/x
  3. Step 3: Cross multiply
    11,170.36x = 15,415.02 × 6,134.66
  4. Step 4: Simplify right side
    11,170.36x = 94,565,906.59
  5. Step 5: Solve for x
    x = 94,565,906.59/11,170.36
  6. Step 6: Final answer
    x = 8,465.79

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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.