Home / 10,880.76-15,015.44-6,165.34

Finding the Fourth Proportional to 10,880.76, 15,015.44 and 6,165.34

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Solution

The fourth proportional to 10,880.76, 15,015.44 and 6,165.34 is: 8,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.76 : 15,015.44 = 6,165.34 : x
  2. Step 2: Convert to fraction form
    10,880.76/15,015.44 = 6,165.34/x
  3. Step 3: Cross multiply
    10,880.76x = 15,015.44 × 6,165.34
  4. Step 4: Simplify right side
    10,880.76x = 92,575,292.85
  5. Step 5: Solve for x
    x = 92,575,292.85/10,880.76
  6. Step 6: Final answer
    x = 8,508.16

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Half scale
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Double scale
Find fourth proportional to 10,881.76, 15,016.82 and 6,166.34
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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.