Home / 11,120.68-15,346.72-6,085.34

Finding the Fourth Proportional to 11,120.68, 15,346.72 and 6,085.34

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Solution

The fourth proportional to 11,120.68, 15,346.72 and 6,085.34 is: 8,397.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.68 : 15,346.72 = 6,085.34 : x
  2. Step 2: Convert to fraction form
    11,120.68/15,346.72 = 6,085.34/x
  3. Step 3: Cross multiply
    11,120.68x = 15,346.72 × 6,085.34
  4. Step 4: Simplify right side
    11,120.68x = 93,389,939.96
  5. Step 5: Solve for x
    x = 93,389,939.96/11,120.68
  6. Step 6: Final answer
    x = 8,397.86

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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.