Home / 12,284.82-18,416.16-8,337.42

Finding the Fourth Proportional to 12,284.82, 18,416.16 and 8,337.42

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Solution

The fourth proportional to 12,284.82, 18,416.16 and 8,337.42 is: 12,498.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.82 : 18,416.16 = 8,337.42 : x
  2. Step 2: Convert to fraction form
    12,284.82/18,416.16 = 8,337.42/x
  3. Step 3: Cross multiply
    12,284.82x = 18,416.16 × 8,337.42
  4. Step 4: Simplify right side
    12,284.82x = 153,543,260.71
  5. Step 5: Solve for x
    x = 153,543,260.71/12,284.82
  6. Step 6: Final answer
    x = 12,498.62

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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.