Home / 22,172.72-33,271.70-8,130.87

Finding the Fourth Proportional to 22,172.72, 33,271.70 and 8,130.87

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Solution

The fourth proportional to 22,172.72, 33,271.70 and 8,130.87 is: 12,200.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.72 : 33,271.70 = 8,130.87 : x
  2. Step 2: Convert to fraction form
    22,172.72/33,271.70 = 8,130.87/x
  3. Step 3: Cross multiply
    22,172.72x = 33,271.70 × 8,130.87
  4. Step 4: Simplify right side
    22,172.72x = 270,527,826.72
  5. Step 5: Solve for x
    x = 270,527,826.72/22,172.72
  6. Step 6: Final answer
    x = 12,200.93

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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.