Home / 10,828.08-16,239.33-4,254.30

Finding the Fourth Proportional to 10,828.08, 16,239.33 and 4,254.30

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Solution

The fourth proportional to 10,828.08, 16,239.33 and 4,254.30 is: 6,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,828.08 : 16,239.33 = 4,254.30 : x
  2. Step 2: Convert to fraction form
    10,828.08/16,239.33 = 4,254.30/x
  3. Step 3: Cross multiply
    10,828.08x = 16,239.33 × 4,254.30
  4. Step 4: Simplify right side
    10,828.08x = 69,086,981.62
  5. Step 5: Solve for x
    x = 69,086,981.62/10,828.08
  6. Step 6: Final answer
    x = 6,380.35

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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.