Home / 18,787.86-25,927.26-10,404.36

Finding the Fourth Proportional to 18,787.86, 25,927.26 and 10,404.36

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Solution

The fourth proportional to 18,787.86, 25,927.26 and 10,404.36 is: 14,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.86 : 25,927.26 = 10,404.36 : x
  2. Step 2: Convert to fraction form
    18,787.86/25,927.26 = 10,404.36/x
  3. Step 3: Cross multiply
    18,787.86x = 25,927.26 × 10,404.36
  4. Step 4: Simplify right side
    18,787.86x = 269,756,546.85
  5. Step 5: Solve for x
    x = 269,756,546.85/18,787.86
  6. Step 6: Final answer
    x = 14,358.02

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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.