Home / 14,076.65-21,121.10-8,823.70

Finding the Fourth Proportional to 14,076.65, 21,121.10 and 8,823.70

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Solution

The fourth proportional to 14,076.65, 21,121.10 and 8,823.70 is: 13,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.65 : 21,121.10 = 8,823.70 : x
  2. Step 2: Convert to fraction form
    14,076.65/21,121.10 = 8,823.70/x
  3. Step 3: Cross multiply
    14,076.65x = 21,121.10 × 8,823.70
  4. Step 4: Simplify right side
    14,076.65x = 186,366,100.35
  5. Step 5: Solve for x
    x = 186,366,100.35/14,076.65
  6. Step 6: Final answer
    x = 13,239.38

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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.