Home / 20,238.92-30,352.19-9,703.50

Finding the Fourth Proportional to 20,238.92, 30,352.19 and 9,703.50

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Solution

The fourth proportional to 20,238.92, 30,352.19 and 9,703.50 is: 14,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238.92 : 30,352.19 = 9,703.50 : x
  2. Step 2: Convert to fraction form
    20,238.92/30,352.19 = 9,703.50/x
  3. Step 3: Cross multiply
    20,238.92x = 30,352.19 × 9,703.50
  4. Step 4: Simplify right side
    20,238.92x = 294,522,427.15
  5. Step 5: Solve for x
    x = 294,522,427.15/20,238.92
  6. Step 6: Final answer
    x = 14,552.28

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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.