Home / 12,998.73-17,921.97-10,848.36

Finding the Fourth Proportional to 12,998.73, 17,921.97 and 10,848.36

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Solution

The fourth proportional to 12,998.73, 17,921.97 and 10,848.36 is: 14,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998.73 : 17,921.97 = 10,848.36 : x
  2. Step 2: Convert to fraction form
    12,998.73/17,921.97 = 10,848.36/x
  3. Step 3: Cross multiply
    12,998.73x = 17,921.97 × 10,848.36
  4. Step 4: Simplify right side
    12,998.73x = 194,423,982.47
  5. Step 5: Solve for x
    x = 194,423,982.47/12,998.73
  6. Step 6: Final answer
    x = 14,957.15

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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.