Home / 18,359.04-25,322.58-11,289.36

Finding the Fourth Proportional to 18,359.04, 25,322.58 and 11,289.36

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Solution

The fourth proportional to 18,359.04, 25,322.58 and 11,289.36 is: 15,571.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.04 : 25,322.58 = 11,289.36 : x
  2. Step 2: Convert to fraction form
    18,359.04/25,322.58 = 11,289.36/x
  3. Step 3: Cross multiply
    18,359.04x = 25,322.58 × 11,289.36
  4. Step 4: Simplify right side
    18,359.04x = 285,875,721.75
  5. Step 5: Solve for x
    x = 285,875,721.75/18,359.04
  6. Step 6: Final answer
    x = 15,571.39

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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.