Home / 14,064.18-20,945.16-13,456.96

Finding the Fourth Proportional to 14,064.18, 20,945.16 and 13,456.96

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Solution

The fourth proportional to 14,064.18, 20,945.16 and 13,456.96 is: 20,040.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.18 : 20,945.16 = 13,456.96 : x
  2. Step 2: Convert to fraction form
    14,064.18/20,945.16 = 13,456.96/x
  3. Step 3: Cross multiply
    14,064.18x = 20,945.16 × 13,456.96
  4. Step 4: Simplify right side
    14,064.18x = 281,858,149.01
  5. Step 5: Solve for x
    x = 281,858,149.01/14,064.18
  6. Step 6: Final answer
    x = 20,040.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.