Home / 14,987.40-22,481.10-13,383.60

Finding the Fourth Proportional to 14,987.40, 22,481.10 and 13,383.60

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Solution

The fourth proportional to 14,987.40, 22,481.10 and 13,383.60 is: 20,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,987.40 : 22,481.10 = 13,383.60 : x
  2. Step 2: Convert to fraction form
    14,987.40/22,481.10 = 13,383.60/x
  3. Step 3: Cross multiply
    14,987.40x = 22,481.10 × 13,383.60
  4. Step 4: Simplify right side
    14,987.40x = 300,878,049.96
  5. Step 5: Solve for x
    x = 300,878,049.96/14,987.40
  6. Step 6: Final answer
    x = 20,075.40

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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.