Home / 21,342.48-32,017.86-8,193.84

Finding the Fourth Proportional to 21,342.48, 32,017.86 and 8,193.84

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Solution

The fourth proportional to 21,342.48, 32,017.86 and 8,193.84 is: 12,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,342.48 : 32,017.86 = 8,193.84 : x
  2. Step 2: Convert to fraction form
    21,342.48/32,017.86 = 8,193.84/x
  3. Step 3: Cross multiply
    21,342.48x = 32,017.86 × 8,193.84
  4. Step 4: Simplify right side
    21,342.48x = 262,349,221.98
  5. Step 5: Solve for x
    x = 262,349,221.98/21,342.48
  6. Step 6: Final answer
    x = 12,292.35

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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.