Home / 20,976.30-31,461.41-6,184.49

Finding the Fourth Proportional to 20,976.30, 31,461.41 and 6,184.49

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Solution

The fourth proportional to 20,976.30, 31,461.41 and 6,184.49 is: 9,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,976.30 : 31,461.41 = 6,184.49 : x
  2. Step 2: Convert to fraction form
    20,976.30/31,461.41 = 6,184.49/x
  3. Step 3: Cross multiply
    20,976.30x = 31,461.41 × 6,184.49
  4. Step 4: Simplify right side
    20,976.30x = 194,572,633.69
  5. Step 5: Solve for x
    x = 194,572,633.69/20,976.30
  6. Step 6: Final answer
    x = 9,275.83

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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.