Home / 13,932.14-20,903.65-6,135.48

Finding the Fourth Proportional to 13,932.14, 20,903.65 and 6,135.48

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Solution

The fourth proportional to 13,932.14, 20,903.65 and 6,135.48 is: 9,205.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.14 : 20,903.65 = 6,135.48 : x
  2. Step 2: Convert to fraction form
    13,932.14/20,903.65 = 6,135.48/x
  3. Step 3: Cross multiply
    13,932.14x = 20,903.65 × 6,135.48
  4. Step 4: Simplify right side
    13,932.14x = 128,253,911.16
  5. Step 5: Solve for x
    x = 128,253,911.16/13,932.14
  6. Step 6: Final answer
    x = 9,205.62

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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.