Home / 14,538.76-21,811.21-6,219.05

Finding the Fourth Proportional to 14,538.76, 21,811.21 and 6,219.05

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Solution

The fourth proportional to 14,538.76, 21,811.21 and 6,219.05 is: 9,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.76 : 21,811.21 = 6,219.05 : x
  2. Step 2: Convert to fraction form
    14,538.76/21,811.21 = 6,219.05/x
  3. Step 3: Cross multiply
    14,538.76x = 21,811.21 × 6,219.05
  4. Step 4: Simplify right side
    14,538.76x = 135,644,880.95
  5. Step 5: Solve for x
    x = 135,644,880.95/14,538.76
  6. Step 6: Final answer
    x = 9,329.88

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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.