Home / 11,045.13-15,226.17-8,683.17

Finding the Fourth Proportional to 11,045.13, 15,226.17 and 8,683.17

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Solution

The fourth proportional to 11,045.13, 15,226.17 and 8,683.17 is: 11,970.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,045.13 : 15,226.17 = 8,683.17 : x
  2. Step 2: Convert to fraction form
    11,045.13/15,226.17 = 8,683.17/x
  3. Step 3: Cross multiply
    11,045.13x = 15,226.17 × 8,683.17
  4. Step 4: Simplify right side
    11,045.13x = 132,211,422.56
  5. Step 5: Solve for x
    x = 132,211,422.56/11,045.13
  6. Step 6: Final answer
    x = 11,970.11

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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.