Home / 12,069.19-16,638.03-8,473.20

Finding the Fourth Proportional to 12,069.19, 16,638.03 and 8,473.20

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Solution

The fourth proportional to 12,069.19, 16,638.03 and 8,473.20 is: 11,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.19 : 16,638.03 = 8,473.20 : x
  2. Step 2: Convert to fraction form
    12,069.19/16,638.03 = 8,473.20/x
  3. Step 3: Cross multiply
    12,069.19x = 16,638.03 × 8,473.20
  4. Step 4: Simplify right side
    12,069.19x = 140,977,355.80
  5. Step 5: Solve for x
    x = 140,977,355.80/12,069.19
  6. Step 6: Final answer
    x = 11,680.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.