Home / 21,966.22-32,926.08-7,171.16

Finding the Fourth Proportional to 21,966.22, 32,926.08 and 7,171.16

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Solution

The fourth proportional to 21,966.22, 32,926.08 and 7,171.16 is: 10,749.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.22 : 32,926.08 = 7,171.16 : x
  2. Step 2: Convert to fraction form
    21,966.22/32,926.08 = 7,171.16/x
  3. Step 3: Cross multiply
    21,966.22x = 32,926.08 × 7,171.16
  4. Step 4: Simplify right side
    21,966.22x = 236,118,187.85
  5. Step 5: Solve for x
    x = 236,118,187.85/21,966.22
  6. Step 6: Final answer
    x = 10,749.15

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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.