Home / 13,827.10-20,722.11-12,941.36

Finding the Fourth Proportional to 13,827.10, 20,722.11 and 12,941.36

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Solution

The fourth proportional to 13,827.10, 20,722.11 and 12,941.36 is: 19,394.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.10 : 20,722.11 = 12,941.36 : x
  2. Step 2: Convert to fraction form
    13,827.10/20,722.11 = 12,941.36/x
  3. Step 3: Cross multiply
    13,827.10x = 20,722.11 × 12,941.36
  4. Step 4: Simplify right side
    13,827.10x = 268,172,285.47
  5. Step 5: Solve for x
    x = 268,172,285.47/13,827.10
  6. Step 6: Final answer
    x = 19,394.69

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1.5x scale

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.