Home / 26,186.49-39,279.81-6,465.05

Finding the Fourth Proportional to 26,186.49, 39,279.81 and 6,465.05

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Solution

The fourth proportional to 26,186.49, 39,279.81 and 6,465.05 is: 9,697.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.49 : 39,279.81 = 6,465.05 : x
  2. Step 2: Convert to fraction form
    26,186.49/39,279.81 = 6,465.05/x
  3. Step 3: Cross multiply
    26,186.49x = 39,279.81 × 6,465.05
  4. Step 4: Simplify right side
    26,186.49x = 253,945,739.24
  5. Step 5: Solve for x
    x = 253,945,739.24/26,186.49
  6. Step 6: Final answer
    x = 9,697.59

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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.