Home / 13,213.59-19,823.37-4,448.31

Finding the Fourth Proportional to 13,213.59, 19,823.37 and 4,448.31

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Solution

The fourth proportional to 13,213.59, 19,823.37 and 4,448.31 is: 6,673.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213.59 : 19,823.37 = 4,448.31 : x
  2. Step 2: Convert to fraction form
    13,213.59/19,823.37 = 4,448.31/x
  3. Step 3: Cross multiply
    13,213.59x = 19,823.37 × 4,448.31
  4. Step 4: Simplify right side
    13,213.59x = 88,180,495.00
  5. Step 5: Solve for x
    x = 88,180,495.00/13,213.59
  6. Step 6: Final answer
    x = 6,673.47

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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.