Home / 18,857.67-26,028.26-10,904.50

Finding the Fourth Proportional to 18,857.67, 26,028.26 and 10,904.50

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Solution

The fourth proportional to 18,857.67, 26,028.26 and 10,904.50 is: 15,050.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,857.67 : 26,028.26 = 10,904.50 : x
  2. Step 2: Convert to fraction form
    18,857.67/26,028.26 = 10,904.50/x
  3. Step 3: Cross multiply
    18,857.67x = 26,028.26 × 10,904.50
  4. Step 4: Simplify right side
    18,857.67x = 283,825,161.17
  5. Step 5: Solve for x
    x = 283,825,161.17/18,857.67
  6. Step 6: Final answer
    x = 15,050.91

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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.