Home / 18,997.04-26,215.08-10,613.36

Finding the Fourth Proportional to 18,997.04, 26,215.08 and 10,613.36

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Solution

The fourth proportional to 18,997.04, 26,215.08 and 10,613.36 is: 14,645.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.04 : 26,215.08 = 10,613.36 : x
  2. Step 2: Convert to fraction form
    18,997.04/26,215.08 = 10,613.36/x
  3. Step 3: Cross multiply
    18,997.04x = 26,215.08 × 10,613.36
  4. Step 4: Simplify right side
    18,997.04x = 278,230,081.47
  5. Step 5: Solve for x
    x = 278,230,081.47/18,997.04
  6. Step 6: Final answer
    x = 14,645.97

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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.