Home / 21,835.48-32,765.92-9,184.31

Finding the Fourth Proportional to 21,835.48, 32,765.92 and 9,184.31

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Solution

The fourth proportional to 21,835.48, 32,765.92 and 9,184.31 is: 13,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,835.48 : 32,765.92 = 9,184.31 : x
  2. Step 2: Convert to fraction form
    21,835.48/32,765.92 = 9,184.31/x
  3. Step 3: Cross multiply
    21,835.48x = 32,765.92 × 9,184.31
  4. Step 4: Simplify right side
    21,835.48x = 300,932,302.80
  5. Step 5: Solve for x
    x = 300,932,302.80/21,835.48
  6. Step 6: Final answer
    x = 13,781.80

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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.