Home / 14,644.68-20,208.39-8,675.34

Finding the Fourth Proportional to 14,644.68, 20,208.39 and 8,675.34

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Solution

The fourth proportional to 14,644.68, 20,208.39 and 8,675.34 is: 11,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.68 : 20,208.39 = 8,675.34 : x
  2. Step 2: Convert to fraction form
    14,644.68/20,208.39 = 8,675.34/x
  3. Step 3: Cross multiply
    14,644.68x = 20,208.39 × 8,675.34
  4. Step 4: Simplify right side
    14,644.68x = 175,314,654.10
  5. Step 5: Solve for x
    x = 175,314,654.10/14,644.68
  6. Step 6: Final answer
    x = 11,971.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.