Home / 18,881.10-26,055.81-10,383.75

Finding the Fourth Proportional to 18,881.10, 26,055.81 and 10,383.75

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Solution

The fourth proportional to 18,881.10, 26,055.81 and 10,383.75 is: 14,329.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,881.10 : 26,055.81 = 10,383.75 : x
  2. Step 2: Convert to fraction form
    18,881.10/26,055.81 = 10,383.75/x
  3. Step 3: Cross multiply
    18,881.10x = 26,055.81 × 10,383.75
  4. Step 4: Simplify right side
    18,881.10x = 270,557,017.09
  5. Step 5: Solve for x
    x = 270,557,017.09/18,881.10
  6. Step 6: Final answer
    x = 14,329.52

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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.