Home / 16,380.98-22,606.55-9,213.15

Finding the Fourth Proportional to 16,380.98, 22,606.55 and 9,213.15

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Solution

The fourth proportional to 16,380.98, 22,606.55 and 9,213.15 is: 12,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,380.98 : 22,606.55 = 9,213.15 : x
  2. Step 2: Convert to fraction form
    16,380.98/22,606.55 = 9,213.15/x
  3. Step 3: Cross multiply
    16,380.98x = 22,606.55 × 9,213.15
  4. Step 4: Simplify right side
    16,380.98x = 208,277,536.13
  5. Step 5: Solve for x
    x = 208,277,536.13/16,380.98
  6. Step 6: Final answer
    x = 12,714.60

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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.