Home / 11,125.96-15,353.76-6,021.47

Finding the Fourth Proportional to 11,125.96, 15,353.76 and 6,021.47

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Solution

The fourth proportional to 11,125.96, 15,353.76 and 6,021.47 is: 8,309.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.96 : 15,353.76 = 6,021.47 : x
  2. Step 2: Convert to fraction form
    11,125.96/15,353.76 = 6,021.47/x
  3. Step 3: Cross multiply
    11,125.96x = 15,353.76 × 6,021.47
  4. Step 4: Simplify right side
    11,125.96x = 92,452,205.23
  5. Step 5: Solve for x
    x = 92,452,205.23/11,125.96
  6. Step 6: Final answer
    x = 8,309.59

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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.