Home / 18,744.36-25,866.44-11,191.92

Finding the Fourth Proportional to 18,744.36, 25,866.44 and 11,191.92

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Solution

The fourth proportional to 18,744.36, 25,866.44 and 11,191.92 is: 15,444.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.36 : 25,866.44 = 11,191.92 : x
  2. Step 2: Convert to fraction form
    18,744.36/25,866.44 = 11,191.92/x
  3. Step 3: Cross multiply
    18,744.36x = 25,866.44 × 11,191.92
  4. Step 4: Simplify right side
    18,744.36x = 289,495,127.16
  5. Step 5: Solve for x
    x = 289,495,127.16/18,744.36
  6. Step 6: Final answer
    x = 15,444.39

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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.