Home / 18,997.32-26,216.25-10,613.82

Finding the Fourth Proportional to 18,997.32, 26,216.25 and 10,613.82

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Solution

The fourth proportional to 18,997.32, 26,216.25 and 10,613.82 is: 14,647.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.32 : 26,216.25 = 10,613.82 : x
  2. Step 2: Convert to fraction form
    18,997.32/26,216.25 = 10,613.82/x
  3. Step 3: Cross multiply
    18,997.32x = 26,216.25 × 10,613.82
  4. Step 4: Simplify right side
    18,997.32x = 278,254,558.58
  5. Step 5: Solve for x
    x = 278,254,558.58/18,997.32
  6. Step 6: Final answer
    x = 14,647.04

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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.