Home / 14,257.78-21,381.18-4,896.06

Finding the Fourth Proportional to 14,257.78, 21,381.18 and 4,896.06

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Solution

The fourth proportional to 14,257.78, 21,381.18 and 4,896.06 is: 7,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.78 : 21,381.18 = 4,896.06 : x
  2. Step 2: Convert to fraction form
    14,257.78/21,381.18 = 4,896.06/x
  3. Step 3: Cross multiply
    14,257.78x = 21,381.18 × 4,896.06
  4. Step 4: Simplify right side
    14,257.78x = 104,683,540.15
  5. Step 5: Solve for x
    x = 104,683,540.15/14,257.78
  6. Step 6: Final answer
    x = 7,342.20

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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.