Home / 19,228.17-28,846.17-10,911.90

Finding the Fourth Proportional to 19,228.17, 28,846.17 and 10,911.90

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Solution

The fourth proportional to 19,228.17, 28,846.17 and 10,911.90 is: 16,370.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,228.17 : 28,846.17 = 10,911.90 : x
  2. Step 2: Convert to fraction form
    19,228.17/28,846.17 = 10,911.90/x
  3. Step 3: Cross multiply
    19,228.17x = 28,846.17 × 10,911.90
  4. Step 4: Simplify right side
    19,228.17x = 314,766,522.42
  5. Step 5: Solve for x
    x = 314,766,522.42/19,228.17
  6. Step 6: Final answer
    x = 16,370.07

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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.