Home / 14,375.78-19,732.59-12,768.74

Finding the Fourth Proportional to 14,375.78, 19,732.59 and 12,768.74

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Solution

The fourth proportional to 14,375.78, 19,732.59 and 12,768.74 is: 17,526.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,375.78 : 19,732.59 = 12,768.74 : x
  2. Step 2: Convert to fraction form
    14,375.78/19,732.59 = 12,768.74/x
  3. Step 3: Cross multiply
    14,375.78x = 19,732.59 × 12,768.74
  4. Step 4: Simplify right side
    14,375.78x = 251,960,247.39
  5. Step 5: Solve for x
    x = 251,960,247.39/14,375.78
  6. Step 6: Final answer
    x = 17,526.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.