Home / 13,108.08-19,662.12-4,340.64

Finding the Fourth Proportional to 13,108.08, 19,662.12 and 4,340.64

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Solution

The fourth proportional to 13,108.08, 19,662.12 and 4,340.64 is: 6,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.08 : 19,662.12 = 4,340.64 : x
  2. Step 2: Convert to fraction form
    13,108.08/19,662.12 = 4,340.64/x
  3. Step 3: Cross multiply
    13,108.08x = 19,662.12 × 4,340.64
  4. Step 4: Simplify right side
    13,108.08x = 85,346,184.56
  5. Step 5: Solve for x
    x = 85,346,184.56/13,108.08
  6. Step 6: Final answer
    x = 6,510.96

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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.