Home / 11,125.69-15,353.45-6,157.69

Finding the Fourth Proportional to 11,125.69, 15,353.45 and 6,157.69

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Solution

The fourth proportional to 11,125.69, 15,353.45 and 6,157.69 is: 8,497.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,125.69 : 15,353.45 = 6,157.69 : x
  2. Step 2: Convert to fraction form
    11,125.69/15,353.45 = 6,157.69/x
  3. Step 3: Cross multiply
    11,125.69x = 15,353.45 × 6,157.69
  4. Step 4: Simplify right side
    11,125.69x = 94,541,739.45
  5. Step 5: Solve for x
    x = 94,541,739.45/11,125.69
  6. Step 6: Final answer
    x = 8,497.61

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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.