Home / 14,128.65-21,177.94-6,717.45

Finding the Fourth Proportional to 14,128.65, 21,177.94 and 6,717.45

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Solution

The fourth proportional to 14,128.65, 21,177.94 and 6,717.45 is: 10,069.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,128.65 : 21,177.94 = 6,717.45 : x
  2. Step 2: Convert to fraction form
    14,128.65/21,177.94 = 6,717.45/x
  3. Step 3: Cross multiply
    14,128.65x = 21,177.94 × 6,717.45
  4. Step 4: Simplify right side
    14,128.65x = 142,261,815.68
  5. Step 5: Solve for x
    x = 142,261,815.68/14,128.65
  6. Step 6: Final answer
    x = 10,069.03

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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.