Home / 12,862.29-19,293.59-4,097.28

Finding the Fourth Proportional to 12,862.29, 19,293.59 and 4,097.28

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Solution

The fourth proportional to 12,862.29, 19,293.59 and 4,097.28 is: 6,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.29 : 19,293.59 = 4,097.28 : x
  2. Step 2: Convert to fraction form
    12,862.29/19,293.59 = 4,097.28/x
  3. Step 3: Cross multiply
    12,862.29x = 19,293.59 × 4,097.28
  4. Step 4: Simplify right side
    12,862.29x = 79,051,323.03
  5. Step 5: Solve for x
    x = 79,051,323.03/12,862.29
  6. Step 6: Final answer
    x = 6,145.97

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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.