Home / 22,319.04-30,801.24-13,368

Finding the Fourth Proportional to 22,319.04, 30,801.24 and 13,368

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Solution

The fourth proportional to 22,319.04, 30,801.24 and 13,368 is: 18,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.04 : 30,801.24 = 13,368 : x
  2. Step 2: Convert to fraction form
    22,319.04/30,801.24 = 13,368/x
  3. Step 3: Cross multiply
    22,319.04x = 30,801.24 × 13,368
  4. Step 4: Simplify right side
    22,319.04x = 411,750,976.32
  5. Step 5: Solve for x
    x = 411,750,976.32/22,319.04
  6. Step 6: Final answer
    x = 18,448.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.