Home / 9,687.22-14,532.20-3,111.21

Finding the Fourth Proportional to 9,687.22, 14,532.20 and 3,111.21

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Solution

The fourth proportional to 9,687.22, 14,532.20 and 3,111.21 is: 4,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,687.22 : 14,532.20 = 3,111.21 : x
  2. Step 2: Convert to fraction form
    9,687.22/14,532.20 = 3,111.21/x
  3. Step 3: Cross multiply
    9,687.22x = 14,532.20 × 3,111.21
  4. Step 4: Simplify right side
    9,687.22x = 45,212,725.96
  5. Step 5: Solve for x
    x = 45,212,725.96/9,687.22
  6. Step 6: Final answer
    x = 4,667.25

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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.