Home / 13,330.42-19,993.98-8,384.56

Finding the Fourth Proportional to 13,330.42, 19,993.98 and 8,384.56

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Solution

The fourth proportional to 13,330.42, 19,993.98 and 8,384.56 is: 12,575.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.42 : 19,993.98 = 8,384.56 : x
  2. Step 2: Convert to fraction form
    13,330.42/19,993.98 = 8,384.56/x
  3. Step 3: Cross multiply
    13,330.42x = 19,993.98 × 8,384.56
  4. Step 4: Simplify right side
    13,330.42x = 167,640,724.95
  5. Step 5: Solve for x
    x = 167,640,724.95/13,330.42
  6. Step 6: Final answer
    x = 12,575.80

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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.