Home / 14,294.40-19,728.24-8,327.94

Finding the Fourth Proportional to 14,294.40, 19,728.24 and 8,327.94

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Solution

The fourth proportional to 14,294.40, 19,728.24 and 8,327.94 is: 11,493.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.40 : 19,728.24 = 8,327.94 : x
  2. Step 2: Convert to fraction form
    14,294.40/19,728.24 = 8,327.94/x
  3. Step 3: Cross multiply
    14,294.40x = 19,728.24 × 8,327.94
  4. Step 4: Simplify right side
    14,294.40x = 164,295,599.03
  5. Step 5: Solve for x
    x = 164,295,599.03/14,294.40
  6. Step 6: Final answer
    x = 11,493.70

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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.