Home / 18,329.22-27,484.20-8,460.09

Finding the Fourth Proportional to 18,329.22, 27,484.20 and 8,460.09

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Solution

The fourth proportional to 18,329.22, 27,484.20 and 8,460.09 is: 12,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.22 : 27,484.20 = 8,460.09 : x
  2. Step 2: Convert to fraction form
    18,329.22/27,484.20 = 8,460.09/x
  3. Step 3: Cross multiply
    18,329.22x = 27,484.20 × 8,460.09
  4. Step 4: Simplify right side
    18,329.22x = 232,518,805.58
  5. Step 5: Solve for x
    x = 232,518,805.58/18,329.22
  6. Step 6: Final answer
    x = 12,685.69

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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.