Home / 14,076.21-19,425.51-7,788.59

Finding the Fourth Proportional to 14,076.21, 19,425.51 and 7,788.59

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Solution

The fourth proportional to 14,076.21, 19,425.51 and 7,788.59 is: 10,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.21 : 19,425.51 = 7,788.59 : x
  2. Step 2: Convert to fraction form
    14,076.21/19,425.51 = 7,788.59/x
  3. Step 3: Cross multiply
    14,076.21x = 19,425.51 × 7,788.59
  4. Step 4: Simplify right side
    14,076.21x = 151,297,235.80
  5. Step 5: Solve for x
    x = 151,297,235.80/14,076.21
  6. Step 6: Final answer
    x = 10,748.44

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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.