Home / 13,223.45-19,835.65-4,458.44

Finding the Fourth Proportional to 13,223.45, 19,835.65 and 4,458.44

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Solution

The fourth proportional to 13,223.45, 19,835.65 and 4,458.44 is: 6,687.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.45 : 19,835.65 = 4,458.44 : x
  2. Step 2: Convert to fraction form
    13,223.45/19,835.65 = 4,458.44/x
  3. Step 3: Cross multiply
    13,223.45x = 19,835.65 × 4,458.44
  4. Step 4: Simplify right side
    13,223.45x = 88,436,110.55
  5. Step 5: Solve for x
    x = 88,436,110.55/13,223.45
  6. Step 6: Final answer
    x = 6,687.82

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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.