Home / 16,728.90-25,071.46-6,856.62

Finding the Fourth Proportional to 16,728.90, 25,071.46 and 6,856.62

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Solution

The fourth proportional to 16,728.90, 25,071.46 and 6,856.62 is: 10,275.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.90 : 25,071.46 = 6,856.62 : x
  2. Step 2: Convert to fraction form
    16,728.90/25,071.46 = 6,856.62/x
  3. Step 3: Cross multiply
    16,728.90x = 25,071.46 × 6,856.62
  4. Step 4: Simplify right side
    16,728.90x = 171,905,474.07
  5. Step 5: Solve for x
    x = 171,905,474.07/16,728.90
  6. Step 6: Final answer
    x = 10,275.96

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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.