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Finding the Fourth Proportional to 16,655.82, 22,985.04 and 9,203.82

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Solution

The fourth proportional to 16,655.82, 22,985.04 and 9,203.82 is: 12,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,655.82 : 22,985.04 = 9,203.82 : x
  2. Step 2: Convert to fraction form
    16,655.82/22,985.04 = 9,203.82/x
  3. Step 3: Cross multiply
    16,655.82x = 22,985.04 × 9,203.82
  4. Step 4: Simplify right side
    16,655.82x = 211,550,170.85
  5. Step 5: Solve for x
    x = 211,550,170.85/16,655.82
  6. Step 6: Final answer
    x = 12,701.28

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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.