Home / 19,271.70-28,908.90-8,177.13

Finding the Fourth Proportional to 19,271.70, 28,908.90 and 8,177.13

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Solution

The fourth proportional to 19,271.70, 28,908.90 and 8,177.13 is: 12,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.70 : 28,908.90 = 8,177.13 : x
  2. Step 2: Convert to fraction form
    19,271.70/28,908.90 = 8,177.13/x
  3. Step 3: Cross multiply
    19,271.70x = 28,908.90 × 8,177.13
  4. Step 4: Simplify right side
    19,271.70x = 236,391,833.46
  5. Step 5: Solve for x
    x = 236,391,833.46/19,271.70
  6. Step 6: Final answer
    x = 12,266.27

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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.