Home / 19,966.78-27,553.98-11,014.48

Finding the Fourth Proportional to 19,966.78, 27,553.98 and 11,014.48

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Solution

The fourth proportional to 19,966.78, 27,553.98 and 11,014.48 is: 15,199.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,966.78 : 27,553.98 = 11,014.48 : x
  2. Step 2: Convert to fraction form
    19,966.78/27,553.98 = 11,014.48/x
  3. Step 3: Cross multiply
    19,966.78x = 27,553.98 × 11,014.48
  4. Step 4: Simplify right side
    19,966.78x = 303,492,761.63
  5. Step 5: Solve for x
    x = 303,492,761.63/19,966.78
  6. Step 6: Final answer
    x = 15,199.89

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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.