Home / 21,658.22-32,487.12-6,866.75

Finding the Fourth Proportional to 21,658.22, 32,487.12 and 6,866.75

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Solution

The fourth proportional to 21,658.22, 32,487.12 and 6,866.75 is: 10,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,658.22 : 32,487.12 = 6,866.75 : x
  2. Step 2: Convert to fraction form
    21,658.22/32,487.12 = 6,866.75/x
  3. Step 3: Cross multiply
    21,658.22x = 32,487.12 × 6,866.75
  4. Step 4: Simplify right side
    21,658.22x = 223,080,768.82
  5. Step 5: Solve for x
    x = 223,080,768.82/21,658.22
  6. Step 6: Final answer
    x = 10,300.05

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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.