Home / 19,964.76-29,950.56-8,271.60

Finding the Fourth Proportional to 19,964.76, 29,950.56 and 8,271.60

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Solution

The fourth proportional to 19,964.76, 29,950.56 and 8,271.60 is: 12,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.76 : 29,950.56 = 8,271.60 : x
  2. Step 2: Convert to fraction form
    19,964.76/29,950.56 = 8,271.60/x
  3. Step 3: Cross multiply
    19,964.76x = 29,950.56 × 8,271.60
  4. Step 4: Simplify right side
    19,964.76x = 247,739,052.10
  5. Step 5: Solve for x
    x = 247,739,052.10/19,964.76
  6. Step 6: Final answer
    x = 12,408.82

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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.