Home / 18,667.86-25,761.69-10,284.36

Finding the Fourth Proportional to 18,667.86, 25,761.69 and 10,284.36

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Solution

The fourth proportional to 18,667.86, 25,761.69 and 10,284.36 is: 14,192.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.86 : 25,761.69 = 10,284.36 : x
  2. Step 2: Convert to fraction form
    18,667.86/25,761.69 = 10,284.36/x
  3. Step 3: Cross multiply
    18,667.86x = 25,761.69 × 10,284.36
  4. Step 4: Simplify right side
    18,667.86x = 264,942,494.17
  5. Step 5: Solve for x
    x = 264,942,494.17/18,667.86
  6. Step 6: Final answer
    x = 14,192.44

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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.