Home / 13,914.62-20,877.06-6,521.48

Finding the Fourth Proportional to 13,914.62, 20,877.06 and 6,521.48

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Solution

The fourth proportional to 13,914.62, 20,877.06 and 6,521.48 is: 9,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.62 : 20,877.06 = 6,521.48 : x
  2. Step 2: Convert to fraction form
    13,914.62/20,877.06 = 6,521.48/x
  3. Step 3: Cross multiply
    13,914.62x = 20,877.06 × 6,521.48
  4. Step 4: Simplify right side
    13,914.62x = 136,149,329.25
  5. Step 5: Solve for x
    x = 136,149,329.25/13,914.62
  6. Step 6: Final answer
    x = 9,784.62

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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.