Home / 12,013.38-16,577.64-6,635.58

Finding the Fourth Proportional to 12,013.38, 16,577.64 and 6,635.58

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Solution

The fourth proportional to 12,013.38, 16,577.64 and 6,635.58 is: 9,156.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,013.38 : 16,577.64 = 6,635.58 : x
  2. Step 2: Convert to fraction form
    12,013.38/16,577.64 = 6,635.58/x
  3. Step 3: Cross multiply
    12,013.38x = 16,577.64 × 6,635.58
  4. Step 4: Simplify right side
    12,013.38x = 110,002,256.43
  5. Step 5: Solve for x
    x = 110,002,256.43/12,013.38
  6. Step 6: Final answer
    x = 9,156.65

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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.