Home / 18,694.16-28,046.28-6,216.20

Finding the Fourth Proportional to 18,694.16, 28,046.28 and 6,216.20

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Solution

The fourth proportional to 18,694.16, 28,046.28 and 6,216.20 is: 9,325.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.16 : 28,046.28 = 6,216.20 : x
  2. Step 2: Convert to fraction form
    18,694.16/28,046.28 = 6,216.20/x
  3. Step 3: Cross multiply
    18,694.16x = 28,046.28 × 6,216.20
  4. Step 4: Simplify right side
    18,694.16x = 174,341,285.74
  5. Step 5: Solve for x
    x = 174,341,285.74/18,694.16
  6. Step 6: Final answer
    x = 9,325.98

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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.