Home / 21,421.98-32,133.11-5,839.74

Finding the Fourth Proportional to 21,421.98, 32,133.11 and 5,839.74

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Solution

The fourth proportional to 21,421.98, 32,133.11 and 5,839.74 is: 8,759.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,421.98 : 32,133.11 = 5,839.74 : x
  2. Step 2: Convert to fraction form
    21,421.98/32,133.11 = 5,839.74/x
  3. Step 3: Cross multiply
    21,421.98x = 32,133.11 × 5,839.74
  4. Step 4: Simplify right side
    21,421.98x = 187,648,978.59
  5. Step 5: Solve for x
    x = 187,648,978.59/21,421.98
  6. Step 6: Final answer
    x = 8,759.65

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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.