Home / 13,076.82-18,046.40-7,411.58

Finding the Fourth Proportional to 13,076.82, 18,046.40 and 7,411.58

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Solution

The fourth proportional to 13,076.82, 18,046.40 and 7,411.58 is: 10,228.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,076.82 : 18,046.40 = 7,411.58 : x
  2. Step 2: Convert to fraction form
    13,076.82/18,046.40 = 7,411.58/x
  3. Step 3: Cross multiply
    13,076.82x = 18,046.40 × 7,411.58
  4. Step 4: Simplify right side
    13,076.82x = 133,752,247.08
  5. Step 5: Solve for x
    x = 133,752,247.08/13,076.82
  6. Step 6: Final answer
    x = 10,228.20

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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.