Home / 20,355.03-30,534.57-6,314.49

Finding the Fourth Proportional to 20,355.03, 30,534.57 and 6,314.49

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Solution

The fourth proportional to 20,355.03, 30,534.57 and 6,314.49 is: 9,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,355.03 : 30,534.57 = 6,314.49 : x
  2. Step 2: Convert to fraction form
    20,355.03/30,534.57 = 6,314.49/x
  3. Step 3: Cross multiply
    20,355.03x = 30,534.57 × 6,314.49
  4. Step 4: Simplify right side
    20,355.03x = 192,810,236.92
  5. Step 5: Solve for x
    x = 192,810,236.92/20,355.03
  6. Step 6: Final answer
    x = 9,472.36

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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.