Home / 20,348.09-30,526.97-8,495.25

Finding the Fourth Proportional to 20,348.09, 30,526.97 and 8,495.25

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Solution

The fourth proportional to 20,348.09, 30,526.97 and 8,495.25 is: 12,744.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348.09 : 30,526.97 = 8,495.25 : x
  2. Step 2: Convert to fraction form
    20,348.09/30,526.97 = 8,495.25/x
  3. Step 3: Cross multiply
    20,348.09x = 30,526.97 × 8,495.25
  4. Step 4: Simplify right side
    20,348.09x = 259,334,199.42
  5. Step 5: Solve for x
    x = 259,334,199.42/20,348.09
  6. Step 6: Final answer
    x = 12,744.89

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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.