Home / 21,647.60-32,469.26-10,561.94

Finding the Fourth Proportional to 21,647.60, 32,469.26 and 10,561.94

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Solution

The fourth proportional to 21,647.60, 32,469.26 and 10,561.94 is: 15,841.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.60 : 32,469.26 = 10,561.94 : x
  2. Step 2: Convert to fraction form
    21,647.60/32,469.26 = 10,561.94/x
  3. Step 3: Cross multiply
    21,647.60x = 32,469.26 × 10,561.94
  4. Step 4: Simplify right side
    21,647.60x = 342,938,160.81
  5. Step 5: Solve for x
    x = 342,938,160.81/21,647.60
  6. Step 6: Final answer
    x = 15,841.86

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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.