Home / 14,343.12-21,506.22-8,503.80

Finding the Fourth Proportional to 14,343.12, 21,506.22 and 8,503.80

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Solution

The fourth proportional to 14,343.12, 21,506.22 and 8,503.80 is: 12,750.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.12 : 21,506.22 = 8,503.80 : x
  2. Step 2: Convert to fraction form
    14,343.12/21,506.22 = 8,503.80/x
  3. Step 3: Cross multiply
    14,343.12x = 21,506.22 × 8,503.80
  4. Step 4: Simplify right side
    14,343.12x = 182,884,593.64
  5. Step 5: Solve for x
    x = 182,884,593.64/14,343.12
  6. Step 6: Final answer
    x = 12,750.68

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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.