Home / 18,605.15-25,675.25-10,107.35

Finding the Fourth Proportional to 18,605.15, 25,675.25 and 10,107.35

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Solution

The fourth proportional to 18,605.15, 25,675.25 and 10,107.35 is: 13,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,605.15 : 25,675.25 = 10,107.35 : x
  2. Step 2: Convert to fraction form
    18,605.15/25,675.25 = 10,107.35/x
  3. Step 3: Cross multiply
    18,605.15x = 25,675.25 × 10,107.35
  4. Step 4: Simplify right side
    18,605.15x = 259,508,655.46
  5. Step 5: Solve for x
    x = 259,508,655.46/18,605.15
  6. Step 6: Final answer
    x = 13,948.21

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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.