Home / 14,121.34-21,169.05-4,880.86

Finding the Fourth Proportional to 14,121.34, 21,169.05 and 4,880.86

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Solution

The fourth proportional to 14,121.34, 21,169.05 and 4,880.86 is: 7,316.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,121.34 : 21,169.05 = 4,880.86 : x
  2. Step 2: Convert to fraction form
    14,121.34/21,169.05 = 4,880.86/x
  3. Step 3: Cross multiply
    14,121.34x = 21,169.05 × 4,880.86
  4. Step 4: Simplify right side
    14,121.34x = 103,323,116.46
  5. Step 5: Solve for x
    x = 103,323,116.46/14,121.34
  6. Step 6: Final answer
    x = 7,316.81

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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.