Home / 11,763.60-16,233.69-6,386.14

Finding the Fourth Proportional to 11,763.60, 16,233.69 and 6,386.14

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Solution

The fourth proportional to 11,763.60, 16,233.69 and 6,386.14 is: 8,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.60 : 16,233.69 = 6,386.14 : x
  2. Step 2: Convert to fraction form
    11,763.60/16,233.69 = 6,386.14/x
  3. Step 3: Cross multiply
    11,763.60x = 16,233.69 × 6,386.14
  4. Step 4: Simplify right side
    11,763.60x = 103,670,617.06
  5. Step 5: Solve for x
    x = 103,670,617.06/11,763.60
  6. Step 6: Final answer
    x = 8,812.83

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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.