Home / 16,820.21-25,230.31-14,655.08

Finding the Fourth Proportional to 16,820.21, 25,230.31 and 14,655.08

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Solution

The fourth proportional to 16,820.21, 25,230.31 and 14,655.08 is: 21,982.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.21 : 25,230.31 = 14,655.08 : x
  2. Step 2: Convert to fraction form
    16,820.21/25,230.31 = 14,655.08/x
  3. Step 3: Cross multiply
    16,820.21x = 25,230.31 × 14,655.08
  4. Step 4: Simplify right side
    16,820.21x = 369,752,237.91
  5. Step 5: Solve for x
    x = 369,752,237.91/16,820.21
  6. Step 6: Final answer
    x = 21,982.61

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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.