Home / 21,347.19-32,017.14-8,192.79

Finding the Fourth Proportional to 21,347.19, 32,017.14 and 8,192.79

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Solution

The fourth proportional to 21,347.19, 32,017.14 and 8,192.79 is: 12,287.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,347.19 : 32,017.14 = 8,192.79 : x
  2. Step 2: Convert to fraction form
    21,347.19/32,017.14 = 8,192.79/x
  3. Step 3: Cross multiply
    21,347.19x = 32,017.14 × 8,192.79
  4. Step 4: Simplify right side
    21,347.19x = 262,309,704.42
  5. Step 5: Solve for x
    x = 262,309,704.42/21,347.19
  6. Step 6: Final answer
    x = 12,287.79

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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.