Home / 21,666.88-32,494.65-9,180.46

Finding the Fourth Proportional to 21,666.88, 32,494.65 and 9,180.46

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Solution

The fourth proportional to 21,666.88, 32,494.65 and 9,180.46 is: 13,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.88 : 32,494.65 = 9,180.46 : x
  2. Step 2: Convert to fraction form
    21,666.88/32,494.65 = 9,180.46/x
  3. Step 3: Cross multiply
    21,666.88x = 32,494.65 × 9,180.46
  4. Step 4: Simplify right side
    21,666.88x = 298,315,834.54
  5. Step 5: Solve for x
    x = 298,315,834.54/21,666.88
  6. Step 6: Final answer
    x = 13,768.29

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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.