Home / 18,359.05-25,372.83-13,881.37

Finding the Fourth Proportional to 18,359.05, 25,372.83 and 13,881.37

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Solution

The fourth proportional to 18,359.05, 25,372.83 and 13,881.37 is: 19,184.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,359.05 : 25,372.83 = 13,881.37 : x
  2. Step 2: Convert to fraction form
    18,359.05/25,372.83 = 13,881.37/x
  3. Step 3: Cross multiply
    18,359.05x = 25,372.83 × 13,881.37
  4. Step 4: Simplify right side
    18,359.05x = 352,209,641.18
  5. Step 5: Solve for x
    x = 352,209,641.18/18,359.05
  6. Step 6: Final answer
    x = 19,184.52

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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.