Home / 13,223.96-19,836.40-4,458.95

Finding the Fourth Proportional to 13,223.96, 19,836.40 and 4,458.95

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Solution

The fourth proportional to 13,223.96, 19,836.40 and 4,458.95 is: 6,688.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.96 : 19,836.40 = 4,458.95 : x
  2. Step 2: Convert to fraction form
    13,223.96/19,836.40 = 4,458.95/x
  3. Step 3: Cross multiply
    13,223.96x = 19,836.40 × 4,458.95
  4. Step 4: Simplify right side
    13,223.96x = 88,449,416.60
  5. Step 5: Solve for x
    x = 88,449,416.60/13,223.96
  6. Step 6: Final answer
    x = 6,688.58

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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.