Home / 26,186.39-39,285.74-8,656.22

Finding the Fourth Proportional to 26,186.39, 39,285.74 and 8,656.22

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Solution

The fourth proportional to 26,186.39, 39,285.74 and 8,656.22 is: 12,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.39 : 39,285.74 = 8,656.22 : x
  2. Step 2: Convert to fraction form
    26,186.39/39,285.74 = 8,656.22/x
  3. Step 3: Cross multiply
    26,186.39x = 39,285.74 × 8,656.22
  4. Step 4: Simplify right side
    26,186.39x = 340,065,965.02
  5. Step 5: Solve for x
    x = 340,065,965.02/26,186.39
  6. Step 6: Final answer
    x = 12,986.36

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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.