Home / 18,701.43-25,807.82-10,317.75

Finding the Fourth Proportional to 18,701.43, 25,807.82 and 10,317.75

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Solution

The fourth proportional to 18,701.43, 25,807.82 and 10,317.75 is: 14,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701.43 : 25,807.82 = 10,317.75 : x
  2. Step 2: Convert to fraction form
    18,701.43/25,807.82 = 10,317.75/x
  3. Step 3: Cross multiply
    18,701.43x = 25,807.82 × 10,317.75
  4. Step 4: Simplify right side
    18,701.43x = 266,278,583.22
  5. Step 5: Solve for x
    x = 266,278,583.22/18,701.43
  6. Step 6: Final answer
    x = 14,238.41

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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.