Home / 11,187.99-15,439.59-6,152.73

Finding the Fourth Proportional to 11,187.99, 15,439.59 and 6,152.73

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Solution

The fourth proportional to 11,187.99, 15,439.59 and 6,152.73 is: 8,490.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.99 : 15,439.59 = 6,152.73 : x
  2. Step 2: Convert to fraction form
    11,187.99/15,439.59 = 6,152.73/x
  3. Step 3: Cross multiply
    11,187.99x = 15,439.59 × 6,152.73
  4. Step 4: Simplify right side
    11,187.99x = 94,995,628.58
  5. Step 5: Solve for x
    x = 94,995,628.58/11,187.99
  6. Step 6: Final answer
    x = 8,490.86

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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.