Home / 13,424.33-18,533.31-8,962.85

Finding the Fourth Proportional to 13,424.33, 18,533.31 and 8,962.85

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Solution

The fourth proportional to 13,424.33, 18,533.31 and 8,962.85 is: 12,373.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.33 : 18,533.31 = 8,962.85 : x
  2. Step 2: Convert to fraction form
    13,424.33/18,533.31 = 8,962.85/x
  3. Step 3: Cross multiply
    13,424.33x = 18,533.31 × 8,962.85
  4. Step 4: Simplify right side
    13,424.33x = 166,111,290.26
  5. Step 5: Solve for x
    x = 166,111,290.26/13,424.33
  6. Step 6: Final answer
    x = 12,373.90

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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.