Home / 10,911.19-16,370.06-3,890.29

Finding the Fourth Proportional to 10,911.19, 16,370.06 and 3,890.29

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Solution

The fourth proportional to 10,911.19, 16,370.06 and 3,890.29 is: 5,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,911.19 : 16,370.06 = 3,890.29 : x
  2. Step 2: Convert to fraction form
    10,911.19/16,370.06 = 3,890.29/x
  3. Step 3: Cross multiply
    10,911.19x = 16,370.06 × 3,890.29
  4. Step 4: Simplify right side
    10,911.19x = 63,684,280.72
  5. Step 5: Solve for x
    x = 63,684,280.72/10,911.19
  6. Step 6: Final answer
    x = 5,836.60

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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.