Home / 14,222.06-19,626.54-8,257.28

Finding the Fourth Proportional to 14,222.06, 19,626.54 and 8,257.28

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Solution

The fourth proportional to 14,222.06, 19,626.54 and 8,257.28 is: 11,395.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.06 : 19,626.54 = 8,257.28 : x
  2. Step 2: Convert to fraction form
    14,222.06/19,626.54 = 8,257.28/x
  3. Step 3: Cross multiply
    14,222.06x = 19,626.54 × 8,257.28
  4. Step 4: Simplify right side
    14,222.06x = 162,061,836.21
  5. Step 5: Solve for x
    x = 162,061,836.21/14,222.06
  6. Step 6: Final answer
    x = 11,395.10

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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.