Home / 13,148.32-19,728.24-6,906.88

Finding the Fourth Proportional to 13,148.32, 19,728.24 and 6,906.88

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Solution

The fourth proportional to 13,148.32, 19,728.24 and 6,906.88 is: 10,363.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.32 : 19,728.24 = 6,906.88 : x
  2. Step 2: Convert to fraction form
    13,148.32/19,728.24 = 6,906.88/x
  3. Step 3: Cross multiply
    13,148.32x = 19,728.24 × 6,906.88
  4. Step 4: Simplify right side
    13,148.32x = 136,260,586.29
  5. Step 5: Solve for x
    x = 136,260,586.29/13,148.32
  6. Step 6: Final answer
    x = 10,363.35

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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.