Home / 11,812.49-17,719.14-6,258.32

Finding the Fourth Proportional to 11,812.49, 17,719.14 and 6,258.32

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Solution

The fourth proportional to 11,812.49, 17,719.14 and 6,258.32 is: 9,387.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.49 : 17,719.14 = 6,258.32 : x
  2. Step 2: Convert to fraction form
    11,812.49/17,719.14 = 6,258.32/x
  3. Step 3: Cross multiply
    11,812.49x = 17,719.14 × 6,258.32
  4. Step 4: Simplify right side
    11,812.49x = 110,892,048.24
  5. Step 5: Solve for x
    x = 110,892,048.24/11,812.49
  6. Step 6: Final answer
    x = 9,387.69

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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.