Home / 10,899.54-16,324.38-8,554.17

Finding the Fourth Proportional to 10,899.54, 16,324.38 and 8,554.17

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Solution

The fourth proportional to 10,899.54, 16,324.38 and 8,554.17 is: 12,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.54 : 16,324.38 = 8,554.17 : x
  2. Step 2: Convert to fraction form
    10,899.54/16,324.38 = 8,554.17/x
  3. Step 3: Cross multiply
    10,899.54x = 16,324.38 × 8,554.17
  4. Step 4: Simplify right side
    10,899.54x = 139,641,521.66
  5. Step 5: Solve for x
    x = 139,641,521.66/10,899.54
  6. Step 6: Final answer
    x = 12,811.69

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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.