Home / 14,245.72-21,373.34-8,974.64

Finding the Fourth Proportional to 14,245.72, 21,373.34 and 8,974.64

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Solution

The fourth proportional to 14,245.72, 21,373.34 and 8,974.64 is: 13,464.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.72 : 21,373.34 = 8,974.64 : x
  2. Step 2: Convert to fraction form
    14,245.72/21,373.34 = 8,974.64/x
  3. Step 3: Cross multiply
    14,245.72x = 21,373.34 × 8,974.64
  4. Step 4: Simplify right side
    14,245.72x = 191,818,040.66
  5. Step 5: Solve for x
    x = 191,818,040.66/14,245.72
  6. Step 6: Final answer
    x = 13,464.96

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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.