Home / 12,863.36-19,287.84-5,070.08

Finding the Fourth Proportional to 12,863.36, 19,287.84 and 5,070.08

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Solution

The fourth proportional to 12,863.36, 19,287.84 and 5,070.08 is: 7,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,863.36 : 19,287.84 = 5,070.08 : x
  2. Step 2: Convert to fraction form
    12,863.36/19,287.84 = 5,070.08/x
  3. Step 3: Cross multiply
    12,863.36x = 19,287.84 × 5,070.08
  4. Step 4: Simplify right side
    12,863.36x = 97,790,891.83
  5. Step 5: Solve for x
    x = 97,790,891.83/12,863.36
  6. Step 6: Final answer
    x = 7,602.28

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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.