Home / 18,307.64-25,265.94-10,350.74

Finding the Fourth Proportional to 18,307.64, 25,265.94 and 10,350.74

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Solution

The fourth proportional to 18,307.64, 25,265.94 and 10,350.74 is: 14,284.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,307.64 : 25,265.94 = 10,350.74 : x
  2. Step 2: Convert to fraction form
    18,307.64/25,265.94 = 10,350.74/x
  3. Step 3: Cross multiply
    18,307.64x = 25,265.94 × 10,350.74
  4. Step 4: Simplify right side
    18,307.64x = 261,521,175.80
  5. Step 5: Solve for x
    x = 261,521,175.80/18,307.64
  6. Step 6: Final answer
    x = 14,284.81

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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.