Home / 13,390.87-20,086.19-4,030.84

Finding the Fourth Proportional to 13,390.87, 20,086.19 and 4,030.84

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Solution

The fourth proportional to 13,390.87, 20,086.19 and 4,030.84 is: 6,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390.87 : 20,086.19 = 4,030.84 : x
  2. Step 2: Convert to fraction form
    13,390.87/20,086.19 = 4,030.84/x
  3. Step 3: Cross multiply
    13,390.87x = 20,086.19 × 4,030.84
  4. Step 4: Simplify right side
    13,390.87x = 80,964,218.10
  5. Step 5: Solve for x
    x = 80,964,218.10/13,390.87
  6. Step 6: Final answer
    x = 6,046.23

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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.