Home / 21,840.84-32,770.44-9,363.60

Finding the Fourth Proportional to 21,840.84, 32,770.44 and 9,363.60

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Solution

The fourth proportional to 21,840.84, 32,770.44 and 9,363.60 is: 14,049.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,840.84 : 32,770.44 = 9,363.60 : x
  2. Step 2: Convert to fraction form
    21,840.84/32,770.44 = 9,363.60/x
  3. Step 3: Cross multiply
    21,840.84x = 32,770.44 × 9,363.60
  4. Step 4: Simplify right side
    21,840.84x = 306,849,291.98
  5. Step 5: Solve for x
    x = 306,849,291.98/21,840.84
  6. Step 6: Final answer
    x = 14,049.34

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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.