Home / 20,475.30-30,712.97-5,684.22

Finding the Fourth Proportional to 20,475.30, 30,712.97 and 5,684.22

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Solution

The fourth proportional to 20,475.30, 30,712.97 and 5,684.22 is: 8,526.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,475.30 : 30,712.97 = 5,684.22 : x
  2. Step 2: Convert to fraction form
    20,475.30/30,712.97 = 5,684.22/x
  3. Step 3: Cross multiply
    20,475.30x = 30,712.97 × 5,684.22
  4. Step 4: Simplify right side
    20,475.30x = 174,579,340.91
  5. Step 5: Solve for x
    x = 174,579,340.91/20,475.30
  6. Step 6: Final answer
    x = 8,526.34

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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.