Home / 19,121.24-28,672.01-8,582.23

Finding the Fourth Proportional to 19,121.24, 28,672.01 and 8,582.23

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Solution

The fourth proportional to 19,121.24, 28,672.01 and 8,582.23 is: 12,868.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,121.24 : 28,672.01 = 8,582.23 : x
  2. Step 2: Convert to fraction form
    19,121.24/28,672.01 = 8,582.23/x
  3. Step 3: Cross multiply
    19,121.24x = 28,672.01 × 8,582.23
  4. Step 4: Simplify right side
    19,121.24x = 246,069,784.38
  5. Step 5: Solve for x
    x = 246,069,784.38/19,121.24
  6. Step 6: Final answer
    x = 12,868.92

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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.