Home / 13,223.52-19,835.35-4,458.51

Finding the Fourth Proportional to 13,223.52, 19,835.35 and 4,458.51

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Solution

The fourth proportional to 13,223.52, 19,835.35 and 4,458.51 is: 6,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.52 : 19,835.35 = 4,458.51 : x
  2. Step 2: Convert to fraction form
    13,223.52/19,835.35 = 4,458.51/x
  3. Step 3: Cross multiply
    13,223.52x = 19,835.35 × 4,458.51
  4. Step 4: Simplify right side
    13,223.52x = 88,436,095.18
  5. Step 5: Solve for x
    x = 88,436,095.18/13,223.52
  6. Step 6: Final answer
    x = 6,687.79

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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.