Home / 11,006.55-15,188.80-5,970.57

Finding the Fourth Proportional to 11,006.55, 15,188.80 and 5,970.57

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Solution

The fourth proportional to 11,006.55, 15,188.80 and 5,970.57 is: 8,239.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,006.55 : 15,188.80 = 5,970.57 : x
  2. Step 2: Convert to fraction form
    11,006.55/15,188.80 = 5,970.57/x
  3. Step 3: Cross multiply
    11,006.55x = 15,188.80 × 5,970.57
  4. Step 4: Simplify right side
    11,006.55x = 90,685,793.62
  5. Step 5: Solve for x
    x = 90,685,793.62/11,006.55
  6. Step 6: Final answer
    x = 8,239.26

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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.