Home / 12,284.46-18,412.89-4,886.92

Finding the Fourth Proportional to 12,284.46, 18,412.89 and 4,886.92

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Solution

The fourth proportional to 12,284.46, 18,412.89 and 4,886.92 is: 7,324.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.46 : 18,412.89 = 4,886.92 : x
  2. Step 2: Convert to fraction form
    12,284.46/18,412.89 = 4,886.92/x
  3. Step 3: Cross multiply
    12,284.46x = 18,412.89 × 4,886.92
  4. Step 4: Simplify right side
    12,284.46x = 89,982,320.40
  5. Step 5: Solve for x
    x = 89,982,320.40/12,284.46
  6. Step 6: Final answer
    x = 7,324.89

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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.