Home / 11,188.36-15,439.62-6,152.59

Finding the Fourth Proportional to 11,188.36, 15,439.62 and 6,152.59

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Solution

The fourth proportional to 11,188.36, 15,439.62 and 6,152.59 is: 8,490.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.36 : 15,439.62 = 6,152.59 : x
  2. Step 2: Convert to fraction form
    11,188.36/15,439.62 = 6,152.59/x
  3. Step 3: Cross multiply
    11,188.36x = 15,439.62 × 6,152.59
  4. Step 4: Simplify right side
    11,188.36x = 94,993,651.62
  5. Step 5: Solve for x
    x = 94,993,651.62/11,188.36
  6. Step 6: Final answer
    x = 8,490.40

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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.