Home / 14,517.50-21,774.60-3,988.31

Finding the Fourth Proportional to 14,517.50, 21,774.60 and 3,988.31

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Solution

The fourth proportional to 14,517.50, 21,774.60 and 3,988.31 is: 5,982.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.50 : 21,774.60 = 3,988.31 : x
  2. Step 2: Convert to fraction form
    14,517.50/21,774.60 = 3,988.31/x
  3. Step 3: Cross multiply
    14,517.50x = 21,774.60 × 3,988.31
  4. Step 4: Simplify right side
    14,517.50x = 86,843,746.05
  5. Step 5: Solve for x
    x = 86,843,746.05/14,517.50
  6. Step 6: Final answer
    x = 5,982.01

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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.