Home / 19,748.48-29,623.32-8,649.44

Finding the Fourth Proportional to 19,748.48, 29,623.32 and 8,649.44

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Solution

The fourth proportional to 19,748.48, 29,623.32 and 8,649.44 is: 12,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,748.48 : 29,623.32 = 8,649.44 : x
  2. Step 2: Convert to fraction form
    19,748.48/29,623.32 = 8,649.44/x
  3. Step 3: Cross multiply
    19,748.48x = 29,623.32 × 8,649.44
  4. Step 4: Simplify right side
    19,748.48x = 256,225,128.94
  5. Step 5: Solve for x
    x = 256,225,128.94/19,748.48
  6. Step 6: Final answer
    x = 12,974.42

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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.