Home / 19,022.56-28,545.12-8,634.16

Finding the Fourth Proportional to 19,022.56, 28,545.12 and 8,634.16

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Solution

The fourth proportional to 19,022.56, 28,545.12 and 8,634.16 is: 12,956.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.56 : 28,545.12 = 8,634.16 : x
  2. Step 2: Convert to fraction form
    19,022.56/28,545.12 = 8,634.16/x
  3. Step 3: Cross multiply
    19,022.56x = 28,545.12 × 8,634.16
  4. Step 4: Simplify right side
    19,022.56x = 246,463,133.30
  5. Step 5: Solve for x
    x = 246,463,133.30/19,022.56
  6. Step 6: Final answer
    x = 12,956.36

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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.