Home / 18,741.78-25,863.66-10,358.28

Finding the Fourth Proportional to 18,741.78, 25,863.66 and 10,358.28

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Solution

The fourth proportional to 18,741.78, 25,863.66 and 10,358.28 is: 14,294.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,741.78 : 25,863.66 = 10,358.28 : x
  2. Step 2: Convert to fraction form
    18,741.78/25,863.66 = 10,358.28/x
  3. Step 3: Cross multiply
    18,741.78x = 25,863.66 × 10,358.28
  4. Step 4: Simplify right side
    18,741.78x = 267,903,032.10
  5. Step 5: Solve for x
    x = 267,903,032.10/18,741.78
  6. Step 6: Final answer
    x = 14,294.43

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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.