Home / 15,635.04-21,576.60-8,562.12

Finding the Fourth Proportional to 15,635.04, 21,576.60 and 8,562.12

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Solution

The fourth proportional to 15,635.04, 21,576.60 and 8,562.12 is: 11,815.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635.04 : 21,576.60 = 8,562.12 : x
  2. Step 2: Convert to fraction form
    15,635.04/21,576.60 = 8,562.12/x
  3. Step 3: Cross multiply
    15,635.04x = 21,576.60 × 8,562.12
  4. Step 4: Simplify right side
    15,635.04x = 184,741,438.39
  5. Step 5: Solve for x
    x = 184,741,438.39/15,635.04
  6. Step 6: Final answer
    x = 11,815.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.