Home / 12,775.42-19,165.56-4,983.63

Finding the Fourth Proportional to 12,775.42, 19,165.56 and 4,983.63

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Solution

The fourth proportional to 12,775.42, 19,165.56 and 4,983.63 is: 7,476.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.42 : 19,165.56 = 4,983.63 : x
  2. Step 2: Convert to fraction form
    12,775.42/19,165.56 = 4,983.63/x
  3. Step 3: Cross multiply
    12,775.42x = 19,165.56 × 4,983.63
  4. Step 4: Simplify right side
    12,775.42x = 95,514,059.78
  5. Step 5: Solve for x
    x = 95,514,059.78/12,775.42
  6. Step 6: Final answer
    x = 7,476.39

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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.