Home / 21,638.04-32,460.24-6,843.60

Finding the Fourth Proportional to 21,638.04, 32,460.24 and 6,843.60

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Solution

The fourth proportional to 21,638.04, 32,460.24 and 6,843.60 is: 10,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.04 : 32,460.24 = 6,843.60 : x
  2. Step 2: Convert to fraction form
    21,638.04/32,460.24 = 6,843.60/x
  3. Step 3: Cross multiply
    21,638.04x = 32,460.24 × 6,843.60
  4. Step 4: Simplify right side
    21,638.04x = 222,144,898.46
  5. Step 5: Solve for x
    x = 222,144,898.46/21,638.04
  6. Step 6: Final answer
    x = 10,266.41

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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.