Home / 12,198.17-18,292.65-4,798.58

Finding the Fourth Proportional to 12,198.17, 18,292.65 and 4,798.58

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Solution

The fourth proportional to 12,198.17, 18,292.65 and 4,798.58 is: 7,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.17 : 18,292.65 = 4,798.58 : x
  2. Step 2: Convert to fraction form
    12,198.17/18,292.65 = 4,798.58/x
  3. Step 3: Cross multiply
    12,198.17x = 18,292.65 × 4,798.58
  4. Step 4: Simplify right side
    12,198.17x = 87,778,652.97
  5. Step 5: Solve for x
    x = 87,778,652.97/12,198.17
  6. Step 6: Final answer
    x = 7,196.05

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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.