Home / 14,116.92-21,172.81-4,253.55

Finding the Fourth Proportional to 14,116.92, 21,172.81 and 4,253.55

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Solution

The fourth proportional to 14,116.92, 21,172.81 and 4,253.55 is: 6,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,116.92 : 21,172.81 = 4,253.55 : x
  2. Step 2: Convert to fraction form
    14,116.92/21,172.81 = 4,253.55/x
  3. Step 3: Cross multiply
    14,116.92x = 21,172.81 × 4,253.55
  4. Step 4: Simplify right side
    14,116.92x = 90,059,584.71
  5. Step 5: Solve for x
    x = 90,059,584.71/14,116.92
  6. Step 6: Final answer
    x = 6,379.55

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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.