Home / 17,667.86-26,434.62-10,889.15

Finding the Fourth Proportional to 17,667.86, 26,434.62 and 10,889.15

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Solution

The fourth proportional to 17,667.86, 26,434.62 and 10,889.15 is: 16,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,667.86 : 26,434.62 = 10,889.15 : x
  2. Step 2: Convert to fraction form
    17,667.86/26,434.62 = 10,889.15/x
  3. Step 3: Cross multiply
    17,667.86x = 26,434.62 × 10,889.15
  4. Step 4: Simplify right side
    17,667.86x = 287,850,410.20
  5. Step 5: Solve for x
    x = 287,850,410.20/17,667.86
  6. Step 6: Final answer
    x = 16,292.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.