Home / 13,574.05-20,351.35-6,653.41

Finding the Fourth Proportional to 13,574.05, 20,351.35 and 6,653.41

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Solution

The fourth proportional to 13,574.05, 20,351.35 and 6,653.41 is: 9,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.05 : 20,351.35 = 6,653.41 : x
  2. Step 2: Convert to fraction form
    13,574.05/20,351.35 = 6,653.41/x
  3. Step 3: Cross multiply
    13,574.05x = 20,351.35 × 6,653.41
  4. Step 4: Simplify right side
    13,574.05x = 135,405,833.04
  5. Step 5: Solve for x
    x = 135,405,833.04/13,574.05
  6. Step 6: Final answer
    x = 9,975.35

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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.