Home / 16,272.48-24,408.72-6,412.80

Finding the Fourth Proportional to 16,272.48, 24,408.72 and 6,412.80

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Solution

The fourth proportional to 16,272.48, 24,408.72 and 6,412.80 is: 9,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,272.48 : 24,408.72 = 6,412.80 : x
  2. Step 2: Convert to fraction form
    16,272.48/24,408.72 = 6,412.80/x
  3. Step 3: Cross multiply
    16,272.48x = 24,408.72 × 6,412.80
  4. Step 4: Simplify right side
    16,272.48x = 156,528,239.62
  5. Step 5: Solve for x
    x = 156,528,239.62/16,272.48
  6. Step 6: Final answer
    x = 9,619.20

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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.