Home / 13,127.78-19,691.74-3,267.06

Finding the Fourth Proportional to 13,127.78, 19,691.74 and 3,267.06

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Solution

The fourth proportional to 13,127.78, 19,691.74 and 3,267.06 is: 4,900.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,127.78 : 19,691.74 = 3,267.06 : x
  2. Step 2: Convert to fraction form
    13,127.78/19,691.74 = 3,267.06/x
  3. Step 3: Cross multiply
    13,127.78x = 19,691.74 × 3,267.06
  4. Step 4: Simplify right side
    13,127.78x = 64,334,096.08
  5. Step 5: Solve for x
    x = 64,334,096.08/13,127.78
  6. Step 6: Final answer
    x = 4,900.61

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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.