Home / 12,695.64-19,055.78-6,126.45

Finding the Fourth Proportional to 12,695.64, 19,055.78 and 6,126.45

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Solution

The fourth proportional to 12,695.64, 19,055.78 and 6,126.45 is: 9,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,695.64 : 19,055.78 = 6,126.45 : x
  2. Step 2: Convert to fraction form
    12,695.64/19,055.78 = 6,126.45/x
  3. Step 3: Cross multiply
    12,695.64x = 19,055.78 × 6,126.45
  4. Step 4: Simplify right side
    12,695.64x = 116,744,252.75
  5. Step 5: Solve for x
    x = 116,744,252.75/12,695.64
  6. Step 6: Final answer
    x = 9,195.62

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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.