Home / 10,503.35-15,755.32-3,928.27

Finding the Fourth Proportional to 10,503.35, 15,755.32 and 3,928.27

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Solution

The fourth proportional to 10,503.35, 15,755.32 and 3,928.27 is: 5,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.35 : 15,755.32 = 3,928.27 : x
  2. Step 2: Convert to fraction form
    10,503.35/15,755.32 = 3,928.27/x
  3. Step 3: Cross multiply
    10,503.35x = 15,755.32 × 3,928.27
  4. Step 4: Simplify right side
    10,503.35x = 61,891,150.90
  5. Step 5: Solve for x
    x = 61,891,150.90/10,503.35
  6. Step 6: Final answer
    x = 5,892.52

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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.