Home / 13,998.20-19,312.58-8,963.24

Finding the Fourth Proportional to 13,998.20, 19,312.58 and 8,963.24

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Solution

The fourth proportional to 13,998.20, 19,312.58 and 8,963.24 is: 12,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998.20 : 19,312.58 = 8,963.24 : x
  2. Step 2: Convert to fraction form
    13,998.20/19,312.58 = 8,963.24/x
  3. Step 3: Cross multiply
    13,998.20x = 19,312.58 × 8,963.24
  4. Step 4: Simplify right side
    13,998.20x = 173,103,289.56
  5. Step 5: Solve for x
    x = 173,103,289.56/13,998.20
  6. Step 6: Final answer
    x = 12,366.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.