Home / 14,647.08-20,211.35-8,272.99

Finding the Fourth Proportional to 14,647.08, 20,211.35 and 8,272.99

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Solution

The fourth proportional to 14,647.08, 20,211.35 and 8,272.99 is: 11,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.08 : 20,211.35 = 8,272.99 : x
  2. Step 2: Convert to fraction form
    14,647.08/20,211.35 = 8,272.99/x
  3. Step 3: Cross multiply
    14,647.08x = 20,211.35 × 8,272.99
  4. Step 4: Simplify right side
    14,647.08x = 167,208,296.44
  5. Step 5: Solve for x
    x = 167,208,296.44/14,647.08
  6. Step 6: Final answer
    x = 11,415.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.