Home / 14,649.57-20,223.41-8,360.73

Finding the Fourth Proportional to 14,649.57, 20,223.41 and 8,360.73

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Solution

The fourth proportional to 14,649.57, 20,223.41 and 8,360.73 is: 11,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.57 : 20,223.41 = 8,360.73 : x
  2. Step 2: Convert to fraction form
    14,649.57/20,223.41 = 8,360.73/x
  3. Step 3: Cross multiply
    14,649.57x = 20,223.41 × 8,360.73
  4. Step 4: Simplify right side
    14,649.57x = 169,082,428.89
  5. Step 5: Solve for x
    x = 169,082,428.89/14,649.57
  6. Step 6: Final answer
    x = 11,541.80

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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.