Home / 20,276.46-30,417.59-6,237.66

Finding the Fourth Proportional to 20,276.46, 30,417.59 and 6,237.66

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Solution

The fourth proportional to 20,276.46, 30,417.59 and 6,237.66 is: 9,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.46 : 30,417.59 = 6,237.66 : x
  2. Step 2: Convert to fraction form
    20,276.46/30,417.59 = 6,237.66/x
  3. Step 3: Cross multiply
    20,276.46x = 30,417.59 × 6,237.66
  4. Step 4: Simplify right side
    20,276.46x = 189,734,584.44
  5. Step 5: Solve for x
    x = 189,734,584.44/20,276.46
  6. Step 6: Final answer
    x = 9,357.38

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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.