Home / 18,984.66-26,161.83-13,669.44

Finding the Fourth Proportional to 18,984.66, 26,161.83 and 13,669.44

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Solution

The fourth proportional to 18,984.66, 26,161.83 and 13,669.44 is: 18,837.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.66 : 26,161.83 = 13,669.44 : x
  2. Step 2: Convert to fraction form
    18,984.66/26,161.83 = 13,669.44/x
  3. Step 3: Cross multiply
    18,984.66x = 26,161.83 × 13,669.44
  4. Step 4: Simplify right side
    18,984.66x = 357,617,565.48
  5. Step 5: Solve for x
    x = 357,617,565.48/18,984.66
  6. Step 6: Final answer
    x = 18,837.19

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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.