Home / 20,177.45-30,271.04-6,326.45

Finding the Fourth Proportional to 20,177.45, 30,271.04 and 6,326.45

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Solution

The fourth proportional to 20,177.45, 30,271.04 and 6,326.45 is: 9,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,177.45 : 30,271.04 = 6,326.45 : x
  2. Step 2: Convert to fraction form
    20,177.45/30,271.04 = 6,326.45/x
  3. Step 3: Cross multiply
    20,177.45x = 30,271.04 × 6,326.45
  4. Step 4: Simplify right side
    20,177.45x = 191,508,221.01
  5. Step 5: Solve for x
    x = 191,508,221.01/20,177.45
  6. Step 6: Final answer
    x = 9,491.20

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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.