Home / 18,828.78-25,983.93-10,330.92

Finding the Fourth Proportional to 18,828.78, 25,983.93 and 10,330.92

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Solution

The fourth proportional to 18,828.78, 25,983.93 and 10,330.92 is: 14,256.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.78 : 25,983.93 = 10,330.92 : x
  2. Step 2: Convert to fraction form
    18,828.78/25,983.93 = 10,330.92/x
  3. Step 3: Cross multiply
    18,828.78x = 25,983.93 × 10,330.92
  4. Step 4: Simplify right side
    18,828.78x = 268,437,902.12
  5. Step 5: Solve for x
    x = 268,437,902.12/18,828.78
  6. Step 6: Final answer
    x = 14,256.79

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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.