Home / 20,006.31-27,607.32-11,053.74

Finding the Fourth Proportional to 20,006.31, 27,607.32 and 11,053.74

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Solution

The fourth proportional to 20,006.31, 27,607.32 and 11,053.74 is: 15,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.31 : 27,607.32 = 11,053.74 : x
  2. Step 2: Convert to fraction form
    20,006.31/27,607.32 = 11,053.74/x
  3. Step 3: Cross multiply
    20,006.31x = 27,607.32 × 11,053.74
  4. Step 4: Simplify right side
    20,006.31x = 305,164,137.38
  5. Step 5: Solve for x
    x = 305,164,137.38/20,006.31
  6. Step 6: Final answer
    x = 15,253.39

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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.