Home / 11,809.19-17,730.19-6,265.15

Finding the Fourth Proportional to 11,809.19, 17,730.19 and 6,265.15

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Solution

The fourth proportional to 11,809.19, 17,730.19 and 6,265.15 is: 9,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,809.19 : 17,730.19 = 6,265.15 : x
  2. Step 2: Convert to fraction form
    11,809.19/17,730.19 = 6,265.15/x
  3. Step 3: Cross multiply
    11,809.19x = 17,730.19 × 6,265.15
  4. Step 4: Simplify right side
    11,809.19x = 111,082,263.38
  5. Step 5: Solve for x
    x = 111,082,263.38/11,809.19
  6. Step 6: Final answer
    x = 9,406.42

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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.