Home / 13,412.66-20,119.13-4,052.76

Finding the Fourth Proportional to 13,412.66, 20,119.13 and 4,052.76

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Solution

The fourth proportional to 13,412.66, 20,119.13 and 4,052.76 is: 6,079.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,412.66 : 20,119.13 = 4,052.76 : x
  2. Step 2: Convert to fraction form
    13,412.66/20,119.13 = 4,052.76/x
  3. Step 3: Cross multiply
    13,412.66x = 20,119.13 × 4,052.76
  4. Step 4: Simplify right side
    13,412.66x = 81,538,004.17
  5. Step 5: Solve for x
    x = 81,538,004.17/13,412.66
  6. Step 6: Final answer
    x = 6,079.18

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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.