Home / 13,338.52-19,991.79-6,213.15

Finding the Fourth Proportional to 13,338.52, 19,991.79 and 6,213.15

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Solution

The fourth proportional to 13,338.52, 19,991.79 and 6,213.15 is: 9,312.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338.52 : 19,991.79 = 6,213.15 : x
  2. Step 2: Convert to fraction form
    13,338.52/19,991.79 = 6,213.15/x
  3. Step 3: Cross multiply
    13,338.52x = 19,991.79 × 6,213.15
  4. Step 4: Simplify right side
    13,338.52x = 124,211,955.59
  5. Step 5: Solve for x
    x = 124,211,955.59/13,338.52
  6. Step 6: Final answer
    x = 9,312.28

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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.