Home / 11,894.28-17,841.90-3,130.08

Finding the Fourth Proportional to 11,894.28, 17,841.90 and 3,130.08

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Solution

The fourth proportional to 11,894.28, 17,841.90 and 3,130.08 is: 4,695.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.28 : 17,841.90 = 3,130.08 : x
  2. Step 2: Convert to fraction form
    11,894.28/17,841.90 = 3,130.08/x
  3. Step 3: Cross multiply
    11,894.28x = 17,841.90 × 3,130.08
  4. Step 4: Simplify right side
    11,894.28x = 55,846,574.35
  5. Step 5: Solve for x
    x = 55,846,574.35/11,894.28
  6. Step 6: Final answer
    x = 4,695.25

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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.