Home / 18,206.48-27,310.08-7,818.32

Finding the Fourth Proportional to 18,206.48, 27,310.08 and 7,818.32

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Solution

The fourth proportional to 18,206.48, 27,310.08 and 7,818.32 is: 11,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,206.48 : 27,310.08 = 7,818.32 : x
  2. Step 2: Convert to fraction form
    18,206.48/27,310.08 = 7,818.32/x
  3. Step 3: Cross multiply
    18,206.48x = 27,310.08 × 7,818.32
  4. Step 4: Simplify right side
    18,206.48x = 213,518,944.67
  5. Step 5: Solve for x
    x = 213,518,944.67/18,206.48
  6. Step 6: Final answer
    x = 11,727.63

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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.