Home / 18,899.43-26,083.28-10,402.22

Finding the Fourth Proportional to 18,899.43, 26,083.28 and 10,402.22

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Solution

The fourth proportional to 18,899.43, 26,083.28 and 10,402.22 is: 14,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,899.43 : 26,083.28 = 10,402.22 : x
  2. Step 2: Convert to fraction form
    18,899.43/26,083.28 = 10,402.22/x
  3. Step 3: Cross multiply
    18,899.43x = 26,083.28 × 10,402.22
  4. Step 4: Simplify right side
    18,899.43x = 271,324,108.10
  5. Step 5: Solve for x
    x = 271,324,108.10/18,899.43
  6. Step 6: Final answer
    x = 14,356.21

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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.