Home / 10,076.64-15,116.28-3,503.32

Finding the Fourth Proportional to 10,076.64, 15,116.28 and 3,503.32

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Solution

The fourth proportional to 10,076.64, 15,116.28 and 3,503.32 is: 5,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,076.64 : 15,116.28 = 3,503.32 : x
  2. Step 2: Convert to fraction form
    10,076.64/15,116.28 = 3,503.32/x
  3. Step 3: Cross multiply
    10,076.64x = 15,116.28 × 3,503.32
  4. Step 4: Simplify right side
    10,076.64x = 52,957,166.05
  5. Step 5: Solve for x
    x = 52,957,166.05/10,076.64
  6. Step 6: Final answer
    x = 5,255.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.