Home / 18,772.96-25,906.32-10,389.52

Finding the Fourth Proportional to 18,772.96, 25,906.32 and 10,389.52

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Solution

The fourth proportional to 18,772.96, 25,906.32 and 10,389.52 is: 14,337.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,772.96 : 25,906.32 = 10,389.52 : x
  2. Step 2: Convert to fraction form
    18,772.96/25,906.32 = 10,389.52/x
  3. Step 3: Cross multiply
    18,772.96x = 25,906.32 × 10,389.52
  4. Step 4: Simplify right side
    18,772.96x = 269,154,229.77
  5. Step 5: Solve for x
    x = 269,154,229.77/18,772.96
  6. Step 6: Final answer
    x = 14,337.34

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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.