Home / 19,416.89-29,101.01-8,310.57

Finding the Fourth Proportional to 19,416.89, 29,101.01 and 8,310.57

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Solution

The fourth proportional to 19,416.89, 29,101.01 and 8,310.57 is: 12,455.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,416.89 : 29,101.01 = 8,310.57 : x
  2. Step 2: Convert to fraction form
    19,416.89/29,101.01 = 8,310.57/x
  3. Step 3: Cross multiply
    19,416.89x = 29,101.01 × 8,310.57
  4. Step 4: Simplify right side
    19,416.89x = 241,845,939.12
  5. Step 5: Solve for x
    x = 241,845,939.12/19,416.89
  6. Step 6: Final answer
    x = 12,455.44

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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.