Home / 14,223.44-21,227.02-12,647.07

Finding the Fourth Proportional to 14,223.44, 21,227.02 and 12,647.07

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Solution

The fourth proportional to 14,223.44, 21,227.02 and 12,647.07 is: 18,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.44 : 21,227.02 = 12,647.07 : x
  2. Step 2: Convert to fraction form
    14,223.44/21,227.02 = 12,647.07/x
  3. Step 3: Cross multiply
    14,223.44x = 21,227.02 × 12,647.07
  4. Step 4: Simplify right side
    14,223.44x = 268,459,576.21
  5. Step 5: Solve for x
    x = 268,459,576.21/14,223.44
  6. Step 6: Final answer
    x = 18,874.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.