Home / 11,188.12-15,440.00-6,152.73

Finding the Fourth Proportional to 11,188.12, 15,440.00 and 6,152.73

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Solution

The fourth proportional to 11,188.12, 15,440.00 and 6,152.73 is: 8,490.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.12 : 15,440.00 = 6,152.73 : x
  2. Step 2: Convert to fraction form
    11,188.12/15,440.00 = 6,152.73/x
  3. Step 3: Cross multiply
    11,188.12x = 15,440.00 × 6,152.73
  4. Step 4: Simplify right side
    11,188.12x = 94,998,097.15
  5. Step 5: Solve for x
    x = 94,998,097.15/11,188.12
  6. Step 6: Final answer
    x = 8,490.98

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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.