Home / 14,171.10-21,259.74-4,311.18

Finding the Fourth Proportional to 14,171.10, 21,259.74 and 4,311.18

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Solution

The fourth proportional to 14,171.10, 21,259.74 and 4,311.18 is: 6,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.10 : 21,259.74 = 4,311.18 : x
  2. Step 2: Convert to fraction form
    14,171.10/21,259.74 = 4,311.18/x
  3. Step 3: Cross multiply
    14,171.10x = 21,259.74 × 4,311.18
  4. Step 4: Simplify right side
    14,171.10x = 91,654,565.89
  5. Step 5: Solve for x
    x = 91,654,565.89/14,171.10
  6. Step 6: Final answer
    x = 6,467.71

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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.