Home / 13,810.14-20,723.85-12,924.54

Finding the Fourth Proportional to 13,810.14, 20,723.85 and 12,924.54

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Solution

The fourth proportional to 13,810.14, 20,723.85 and 12,924.54 is: 19,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.14 : 20,723.85 = 12,924.54 : x
  2. Step 2: Convert to fraction form
    13,810.14/20,723.85 = 12,924.54/x
  3. Step 3: Cross multiply
    13,810.14x = 20,723.85 × 12,924.54
  4. Step 4: Simplify right side
    13,810.14x = 267,846,228.28
  5. Step 5: Solve for x
    x = 267,846,228.28/13,810.14
  6. Step 6: Final answer
    x = 19,394.90

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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.