Home / 19,755.81-27,261.60-10,801.42

Finding the Fourth Proportional to 19,755.81, 27,261.60 and 10,801.42

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Solution

The fourth proportional to 19,755.81, 27,261.60 and 10,801.42 is: 14,905.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,755.81 : 27,261.60 = 10,801.42 : x
  2. Step 2: Convert to fraction form
    19,755.81/27,261.60 = 10,801.42/x
  3. Step 3: Cross multiply
    19,755.81x = 27,261.60 × 10,801.42
  4. Step 4: Simplify right side
    19,755.81x = 294,463,882.81
  5. Step 5: Solve for x
    x = 294,463,882.81/19,755.81
  6. Step 6: Final answer
    x = 14,905.18

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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.