Home / 21,748.09-32,634.42-9,266.80

Finding the Fourth Proportional to 21,748.09, 32,634.42 and 9,266.80

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Solution

The fourth proportional to 21,748.09, 32,634.42 and 9,266.80 is: 13,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.09 : 32,634.42 = 9,266.80 : x
  2. Step 2: Convert to fraction form
    21,748.09/32,634.42 = 9,266.80/x
  3. Step 3: Cross multiply
    21,748.09x = 32,634.42 × 9,266.80
  4. Step 4: Simplify right side
    21,748.09x = 302,416,643.26
  5. Step 5: Solve for x
    x = 302,416,643.26/21,748.09
  6. Step 6: Final answer
    x = 13,905.43

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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.