Home / 14,871.24-22,271.68-12,912.80

Finding the Fourth Proportional to 14,871.24, 22,271.68 and 12,912.80

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Solution

The fourth proportional to 14,871.24, 22,271.68 and 12,912.80 is: 19,338.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,871.24 : 22,271.68 = 12,912.80 : x
  2. Step 2: Convert to fraction form
    14,871.24/22,271.68 = 12,912.80/x
  3. Step 3: Cross multiply
    14,871.24x = 22,271.68 × 12,912.80
  4. Step 4: Simplify right side
    14,871.24x = 287,589,749.50
  5. Step 5: Solve for x
    x = 287,589,749.50/14,871.24
  6. Step 6: Final answer
    x = 19,338.65

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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.