Home / 13,126.38-19,672.83-8,444.58

Finding the Fourth Proportional to 13,126.38, 19,672.83 and 8,444.58

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Solution

The fourth proportional to 13,126.38, 19,672.83 and 8,444.58 is: 12,656.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.38 : 19,672.83 = 8,444.58 : x
  2. Step 2: Convert to fraction form
    13,126.38/19,672.83 = 8,444.58/x
  3. Step 3: Cross multiply
    13,126.38x = 19,672.83 × 8,444.58
  4. Step 4: Simplify right side
    13,126.38x = 166,128,786.76
  5. Step 5: Solve for x
    x = 166,128,786.76/13,126.38
  6. Step 6: Final answer
    x = 12,656.10

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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.