Home / 21,749.09-32,635.94-9,267.80

Finding the Fourth Proportional to 21,749.09, 32,635.94 and 9,267.80

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Solution

The fourth proportional to 21,749.09, 32,635.94 and 9,267.80 is: 13,906.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.09 : 32,635.94 = 9,267.80 : x
  2. Step 2: Convert to fraction form
    21,749.09/32,635.94 = 9,267.80/x
  3. Step 3: Cross multiply
    21,749.09x = 32,635.94 × 9,267.80
  4. Step 4: Simplify right side
    21,749.09x = 302,463,155.21
  5. Step 5: Solve for x
    x = 302,463,155.21/21,749.09
  6. Step 6: Final answer
    x = 13,906.94

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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.