Home / 13,998.56-20,998.66-5,232.74

Finding the Fourth Proportional to 13,998.56, 20,998.66 and 5,232.74

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Solution

The fourth proportional to 13,998.56, 20,998.66 and 5,232.74 is: 7,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.56 : 20,998.66 = 5,232.74 : x
  2. Step 2: Convert to fraction form
    13,998.56/20,998.66 = 5,232.74/x
  3. Step 3: Cross multiply
    13,998.56x = 20,998.66 × 5,232.74
  4. Step 4: Simplify right side
    13,998.56x = 109,880,528.13
  5. Step 5: Solve for x
    x = 109,880,528.13/13,998.56
  6. Step 6: Final answer
    x = 7,849.42

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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.