Home / 13,213.14-19,813.41-4,445.70

Finding the Fourth Proportional to 13,213.14, 19,813.41 and 4,445.70

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Solution

The fourth proportional to 13,213.14, 19,813.41 and 4,445.70 is: 6,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.14 : 19,813.41 = 4,445.70 : x
  2. Step 2: Convert to fraction form
    13,213.14/19,813.41 = 4,445.70/x
  3. Step 3: Cross multiply
    13,213.14x = 19,813.41 × 4,445.70
  4. Step 4: Simplify right side
    13,213.14x = 88,084,476.84
  5. Step 5: Solve for x
    x = 88,084,476.84/13,213.14
  6. Step 6: Final answer
    x = 6,666.43

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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.