Home / 20,574.72-30,853.44-6,530.88

Finding the Fourth Proportional to 20,574.72, 30,853.44 and 6,530.88

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Solution

The fourth proportional to 20,574.72, 30,853.44 and 6,530.88 is: 9,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.72 : 30,853.44 = 6,530.88 : x
  2. Step 2: Convert to fraction form
    20,574.72/30,853.44 = 6,530.88/x
  3. Step 3: Cross multiply
    20,574.72x = 30,853.44 × 6,530.88
  4. Step 4: Simplify right side
    20,574.72x = 201,500,114.23
  5. Step 5: Solve for x
    x = 201,500,114.23/20,574.72
  6. Step 6: Final answer
    x = 9,793.58

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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.