Home / 19,310.64-26,651.76-11,354.80

Finding the Fourth Proportional to 19,310.64, 26,651.76 and 11,354.80

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Solution

The fourth proportional to 19,310.64, 26,651.76 and 11,354.80 is: 15,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,310.64 : 26,651.76 = 11,354.80 : x
  2. Step 2: Convert to fraction form
    19,310.64/26,651.76 = 11,354.80/x
  3. Step 3: Cross multiply
    19,310.64x = 26,651.76 × 11,354.80
  4. Step 4: Simplify right side
    19,310.64x = 302,625,404.45
  5. Step 5: Solve for x
    x = 302,625,404.45/19,310.64
  6. Step 6: Final answer
    x = 15,671.43

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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.