Home / 11,325.25-15,630.45-6,611.05

Finding the Fourth Proportional to 11,325.25, 15,630.45 and 6,611.05

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Solution

The fourth proportional to 11,325.25, 15,630.45 and 6,611.05 is: 9,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.25 : 15,630.45 = 6,611.05 : x
  2. Step 2: Convert to fraction form
    11,325.25/15,630.45 = 6,611.05/x
  3. Step 3: Cross multiply
    11,325.25x = 15,630.45 × 6,611.05
  4. Step 4: Simplify right side
    11,325.25x = 103,333,608.32
  5. Step 5: Solve for x
    x = 103,333,608.32/11,325.25
  6. Step 6: Final answer
    x = 9,124.18

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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.