Home / 21,966.60-32,926.65-7,171.53

Finding the Fourth Proportional to 21,966.60, 32,926.65 and 7,171.53

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Solution

The fourth proportional to 21,966.60, 32,926.65 and 7,171.53 is: 10,749.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.60 : 32,926.65 = 7,171.53 : x
  2. Step 2: Convert to fraction form
    21,966.60/32,926.65 = 7,171.53/x
  3. Step 3: Cross multiply
    21,966.60x = 32,926.65 × 7,171.53
  4. Step 4: Simplify right side
    21,966.60x = 236,134,458.27
  5. Step 5: Solve for x
    x = 236,134,458.27/21,966.60
  6. Step 6: Final answer
    x = 10,749.70

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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.