Home / 18,845.04-26,003.58-11,289.69

Finding the Fourth Proportional to 18,845.04, 26,003.58 and 11,289.69

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Solution

The fourth proportional to 18,845.04, 26,003.58 and 11,289.69 is: 15,578.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,845.04 : 26,003.58 = 11,289.69 : x
  2. Step 2: Convert to fraction form
    18,845.04/26,003.58 = 11,289.69/x
  3. Step 3: Cross multiply
    18,845.04x = 26,003.58 × 11,289.69
  4. Step 4: Simplify right side
    18,845.04x = 293,572,357.09
  5. Step 5: Solve for x
    x = 293,572,357.09/18,845.04
  6. Step 6: Final answer
    x = 15,578.23

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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.