Home / 18,406.26-25,397.10-10,854.90

Finding the Fourth Proportional to 18,406.26, 25,397.10 and 10,854.90

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Solution

The fourth proportional to 18,406.26, 25,397.10 and 10,854.90 is: 14,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,406.26 : 25,397.10 = 10,854.90 : x
  2. Step 2: Convert to fraction form
    18,406.26/25,397.10 = 10,854.90/x
  3. Step 3: Cross multiply
    18,406.26x = 25,397.10 × 10,854.90
  4. Step 4: Simplify right side
    18,406.26x = 275,682,980.79
  5. Step 5: Solve for x
    x = 275,682,980.79/18,406.26
  6. Step 6: Final answer
    x = 14,977.68

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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.