Home / 21,498.24-32,241.24-8,347.80

Finding the Fourth Proportional to 21,498.24, 32,241.24 and 8,347.80

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Solution

The fourth proportional to 21,498.24, 32,241.24 and 8,347.80 is: 12,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,498.24 : 32,241.24 = 8,347.80 : x
  2. Step 2: Convert to fraction form
    21,498.24/32,241.24 = 8,347.80/x
  3. Step 3: Cross multiply
    21,498.24x = 32,241.24 × 8,347.80
  4. Step 4: Simplify right side
    21,498.24x = 269,143,423.27
  5. Step 5: Solve for x
    x = 269,143,423.27/21,498.24
  6. Step 6: Final answer
    x = 12,519.32

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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.