Home / 20,468.66-30,672.23-11,574.41

Finding the Fourth Proportional to 20,468.66, 30,672.23 and 11,574.41

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Solution

The fourth proportional to 20,468.66, 30,672.23 and 11,574.41 is: 17,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,468.66 : 30,672.23 = 11,574.41 : x
  2. Step 2: Convert to fraction form
    20,468.66/30,672.23 = 11,574.41/x
  3. Step 3: Cross multiply
    20,468.66x = 30,672.23 × 11,574.41
  4. Step 4: Simplify right side
    20,468.66x = 355,012,754.40
  5. Step 5: Solve for x
    x = 355,012,754.40/20,468.66
  6. Step 6: Final answer
    x = 17,344.22

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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.