Home / 13,945.08-20,930.22-12,462.06

Finding the Fourth Proportional to 13,945.08, 20,930.22 and 12,462.06

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Solution

The fourth proportional to 13,945.08, 20,930.22 and 12,462.06 is: 18,704.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.08 : 20,930.22 = 12,462.06 : x
  2. Step 2: Convert to fraction form
    13,945.08/20,930.22 = 12,462.06/x
  3. Step 3: Cross multiply
    13,945.08x = 20,930.22 × 12,462.06
  4. Step 4: Simplify right side
    13,945.08x = 260,833,657.45
  5. Step 5: Solve for x
    x = 260,833,657.45/13,945.08
  6. Step 6: Final answer
    x = 18,704.35

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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.