Home / 19,364.40-29,049.63-8,271.15

Finding the Fourth Proportional to 19,364.40, 29,049.63 and 8,271.15

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Solution

The fourth proportional to 19,364.40, 29,049.63 and 8,271.15 is: 12,408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.40 : 29,049.63 = 8,271.15 : x
  2. Step 2: Convert to fraction form
    19,364.40/29,049.63 = 8,271.15/x
  3. Step 3: Cross multiply
    19,364.40x = 29,049.63 × 8,271.15
  4. Step 4: Simplify right side
    19,364.40x = 240,273,847.17
  5. Step 5: Solve for x
    x = 240,273,847.17/19,364.40
  6. Step 6: Final answer
    x = 12,408.02

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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.