Home / 11,170.61-15,415.62-6,135.35

Finding the Fourth Proportional to 11,170.61, 15,415.62 and 6,135.35

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Solution

The fourth proportional to 11,170.61, 15,415.62 and 6,135.35 is: 8,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.61 : 15,415.62 = 6,135.35 : x
  2. Step 2: Convert to fraction form
    11,170.61/15,415.62 = 6,135.35/x
  3. Step 3: Cross multiply
    11,170.61x = 15,415.62 × 6,135.35
  4. Step 4: Simplify right side
    11,170.61x = 94,580,124.08
  5. Step 5: Solve for x
    x = 94,580,124.08/11,170.61
  6. Step 6: Final answer
    x = 8,466.87

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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.