Home / 18,849.12-26,009.82-10,893.90

Finding the Fourth Proportional to 18,849.12, 26,009.82 and 10,893.90

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Solution

The fourth proportional to 18,849.12, 26,009.82 and 10,893.90 is: 15,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.12 : 26,009.82 = 10,893.90 : x
  2. Step 2: Convert to fraction form
    18,849.12/26,009.82 = 10,893.90/x
  3. Step 3: Cross multiply
    18,849.12x = 26,009.82 × 10,893.90
  4. Step 4: Simplify right side
    18,849.12x = 283,348,378.10
  5. Step 5: Solve for x
    x = 283,348,378.10/18,849.12
  6. Step 6: Final answer
    x = 15,032.45

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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.