Home / 14,247.92-21,376.20-6,850.28

Finding the Fourth Proportional to 14,247.92, 21,376.20 and 6,850.28

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Solution

The fourth proportional to 14,247.92, 21,376.20 and 6,850.28 is: 10,277.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,247.92 : 21,376.20 = 6,850.28 : x
  2. Step 2: Convert to fraction form
    14,247.92/21,376.20 = 6,850.28/x
  3. Step 3: Cross multiply
    14,247.92x = 21,376.20 × 6,850.28
  4. Step 4: Simplify right side
    14,247.92x = 146,432,955.34
  5. Step 5: Solve for x
    x = 146,432,955.34/14,247.92
  6. Step 6: Final answer
    x = 10,277.50

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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.