Home / 11,324.16-15,626.81-6,288.70

Finding the Fourth Proportional to 11,324.16, 15,626.81 and 6,288.70

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Solution

The fourth proportional to 11,324.16, 15,626.81 and 6,288.70 is: 8,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.16 : 15,626.81 = 6,288.70 : x
  2. Step 2: Convert to fraction form
    11,324.16/15,626.81 = 6,288.70/x
  3. Step 3: Cross multiply
    11,324.16x = 15,626.81 × 6,288.70
  4. Step 4: Simplify right side
    11,324.16x = 98,272,265.26
  5. Step 5: Solve for x
    x = 98,272,265.26/11,324.16
  6. Step 6: Final answer
    x = 8,678.11

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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.