Home / 14,255.33-21,387.51-6,860.30

Finding the Fourth Proportional to 14,255.33, 21,387.51 and 6,860.30

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Solution

The fourth proportional to 14,255.33, 21,387.51 and 6,860.30 is: 10,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.33 : 21,387.51 = 6,860.30 : x
  2. Step 2: Convert to fraction form
    14,255.33/21,387.51 = 6,860.30/x
  3. Step 3: Cross multiply
    14,255.33x = 21,387.51 × 6,860.30
  4. Step 4: Simplify right side
    14,255.33x = 146,724,627.92
  5. Step 5: Solve for x
    x = 146,724,627.92/14,255.33
  6. Step 6: Final answer
    x = 10,292.62

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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.