Home / 18,933.48-26,126.42-10,976.18

Finding the Fourth Proportional to 18,933.48, 26,126.42 and 10,976.18

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Solution

The fourth proportional to 18,933.48, 26,126.42 and 10,976.18 is: 15,146.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.48 : 26,126.42 = 10,976.18 : x
  2. Step 2: Convert to fraction form
    18,933.48/26,126.42 = 10,976.18/x
  3. Step 3: Cross multiply
    18,933.48x = 26,126.42 × 10,976.18
  4. Step 4: Simplify right side
    18,933.48x = 286,768,103.16
  5. Step 5: Solve for x
    x = 286,768,103.16/18,933.48
  6. Step 6: Final answer
    x = 15,146.09

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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.