Home / 12,941.36-19,407.96-8,581.94

Finding the Fourth Proportional to 12,941.36, 19,407.96 and 8,581.94

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Solution

The fourth proportional to 12,941.36, 19,407.96 and 8,581.94 is: 12,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.36 : 19,407.96 = 8,581.94 : x
  2. Step 2: Convert to fraction form
    12,941.36/19,407.96 = 8,581.94/x
  3. Step 3: Cross multiply
    12,941.36x = 19,407.96 × 8,581.94
  4. Step 4: Simplify right side
    12,941.36x = 166,557,948.24
  5. Step 5: Solve for x
    x = 166,557,948.24/12,941.36
  6. Step 6: Final answer
    x = 12,870.20

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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.