Home / 14,106.81-21,169.94-4,872.81

Finding the Fourth Proportional to 14,106.81, 21,169.94 and 4,872.81

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Solution

The fourth proportional to 14,106.81, 21,169.94 and 4,872.81 is: 7,312.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.81 : 21,169.94 = 4,872.81 : x
  2. Step 2: Convert to fraction form
    14,106.81/21,169.94 = 4,872.81/x
  3. Step 3: Cross multiply
    14,106.81x = 21,169.94 × 4,872.81
  4. Step 4: Simplify right side
    14,106.81x = 103,157,095.33
  5. Step 5: Solve for x
    x = 103,157,095.33/14,106.81
  6. Step 6: Final answer
    x = 7,312.57

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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.