Home / 13,062.46-18,015.09-8,812.84

Finding the Fourth Proportional to 13,062.46, 18,015.09 and 8,812.84

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Solution

The fourth proportional to 13,062.46, 18,015.09 and 8,812.84 is: 12,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.46 : 18,015.09 = 8,812.84 : x
  2. Step 2: Convert to fraction form
    13,062.46/18,015.09 = 8,812.84/x
  3. Step 3: Cross multiply
    13,062.46x = 18,015.09 × 8,812.84
  4. Step 4: Simplify right side
    13,062.46x = 158,764,105.76
  5. Step 5: Solve for x
    x = 158,764,105.76/13,062.46
  6. Step 6: Final answer
    x = 12,154.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.