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Finding the Fourth Proportional to 14,811.77, 22,103.02 and 13,234.64

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Solution

The fourth proportional to 14,811.77, 22,103.02 and 13,234.64 is: 19,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,811.77 : 22,103.02 = 13,234.64 : x
  2. Step 2: Convert to fraction form
    14,811.77/22,103.02 = 13,234.64/x
  3. Step 3: Cross multiply
    14,811.77x = 22,103.02 × 13,234.64
  4. Step 4: Simplify right side
    14,811.77x = 292,525,369.01
  5. Step 5: Solve for x
    x = 292,525,369.01/14,811.77
  6. Step 6: Final answer
    x = 19,749.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.