Home / 18,828.35-25,983.39-10,330.32

Finding the Fourth Proportional to 18,828.35, 25,983.39 and 10,330.32

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Solution

The fourth proportional to 18,828.35, 25,983.39 and 10,330.32 is: 14,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,828.35 : 25,983.39 = 10,330.32 : x
  2. Step 2: Convert to fraction form
    18,828.35/25,983.39 = 10,330.32/x
  3. Step 3: Cross multiply
    18,828.35x = 25,983.39 × 10,330.32
  4. Step 4: Simplify right side
    18,828.35x = 268,416,733.38
  5. Step 5: Solve for x
    x = 268,416,733.38/18,828.35
  6. Step 6: Final answer
    x = 14,255.99

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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.