Home / 26,112.69-39,165.28-8,345.37

Finding the Fourth Proportional to 26,112.69, 39,165.28 and 8,345.37

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Solution

The fourth proportional to 26,112.69, 39,165.28 and 8,345.37 is: 12,516.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.69 : 39,165.28 = 8,345.37 : x
  2. Step 2: Convert to fraction form
    26,112.69/39,165.28 = 8,345.37/x
  3. Step 3: Cross multiply
    26,112.69x = 39,165.28 × 8,345.37
  4. Step 4: Simplify right side
    26,112.69x = 326,848,752.75
  5. Step 5: Solve for x
    x = 326,848,752.75/26,112.69
  6. Step 6: Final answer
    x = 12,516.85

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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.