Home / 14,678.62-22,015.19-6,780.81

Finding the Fourth Proportional to 14,678.62, 22,015.19 and 6,780.81

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Solution

The fourth proportional to 14,678.62, 22,015.19 and 6,780.81 is: 10,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.62 : 22,015.19 = 6,780.81 : x
  2. Step 2: Convert to fraction form
    14,678.62/22,015.19 = 6,780.81/x
  3. Step 3: Cross multiply
    14,678.62x = 22,015.19 × 6,780.81
  4. Step 4: Simplify right side
    14,678.62x = 149,280,920.01
  5. Step 5: Solve for x
    x = 149,280,920.01/14,678.62
  6. Step 6: Final answer
    x = 10,169.96

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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.