Home / 13,426.76-20,140.14-4,066.68

Finding the Fourth Proportional to 13,426.76, 20,140.14 and 4,066.68

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Solution

The fourth proportional to 13,426.76, 20,140.14 and 4,066.68 is: 6,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,426.76 : 20,140.14 = 4,066.68 : x
  2. Step 2: Convert to fraction form
    13,426.76/20,140.14 = 4,066.68/x
  3. Step 3: Cross multiply
    13,426.76x = 20,140.14 × 4,066.68
  4. Step 4: Simplify right side
    13,426.76x = 81,903,504.54
  5. Step 5: Solve for x
    x = 81,903,504.54/13,426.76
  6. Step 6: Final answer
    x = 6,100.02

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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.