Home / 11,120.85-15,346.64-6,085.01

Finding the Fourth Proportional to 11,120.85, 15,346.64 and 6,085.01

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Solution

The fourth proportional to 11,120.85, 15,346.64 and 6,085.01 is: 8,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.85 : 15,346.64 = 6,085.01 : x
  2. Step 2: Convert to fraction form
    11,120.85/15,346.64 = 6,085.01/x
  3. Step 3: Cross multiply
    11,120.85x = 15,346.64 × 6,085.01
  4. Step 4: Simplify right side
    11,120.85x = 93,384,511.45
  5. Step 5: Solve for x
    x = 93,384,511.45/11,120.85
  6. Step 6: Final answer
    x = 8,397.25

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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.