Home / 20,322.18-28,049.00-12,366.96

Finding the Fourth Proportional to 20,322.18, 28,049.00 and 12,366.96

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Solution

The fourth proportional to 20,322.18, 28,049.00 and 12,366.96 is: 17,069.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.18 : 28,049.00 = 12,366.96 : x
  2. Step 2: Convert to fraction form
    20,322.18/28,049.00 = 12,366.96/x
  3. Step 3: Cross multiply
    20,322.18x = 28,049.00 × 12,366.96
  4. Step 4: Simplify right side
    20,322.18x = 346,880,799.21
  5. Step 5: Solve for x
    x = 346,880,799.21/20,322.18
  6. Step 6: Final answer
    x = 17,069.07

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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.