Home / 16,828.70-25,243.05-11,215.40

Finding the Fourth Proportional to 16,828.70, 25,243.05 and 11,215.40

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Solution

The fourth proportional to 16,828.70, 25,243.05 and 11,215.40 is: 16,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.70 : 25,243.05 = 11,215.40 : x
  2. Step 2: Convert to fraction form
    16,828.70/25,243.05 = 11,215.40/x
  3. Step 3: Cross multiply
    16,828.70x = 25,243.05 × 11,215.40
  4. Step 4: Simplify right side
    16,828.70x = 283,110,902.97
  5. Step 5: Solve for x
    x = 283,110,902.97/16,828.70
  6. Step 6: Final answer
    x = 16,823.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.