Home / 21,984.55-32,974.39-6,402.18

Finding the Fourth Proportional to 21,984.55, 32,974.39 and 6,402.18

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Solution

The fourth proportional to 21,984.55, 32,974.39 and 6,402.18 is: 9,602.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.55 : 32,974.39 = 6,402.18 : x
  2. Step 2: Convert to fraction form
    21,984.55/32,974.39 = 6,402.18/x
  3. Step 3: Cross multiply
    21,984.55x = 32,974.39 × 6,402.18
  4. Step 4: Simplify right side
    21,984.55x = 211,107,980.17
  5. Step 5: Solve for x
    x = 211,107,980.17/21,984.55
  6. Step 6: Final answer
    x = 9,602.56

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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.