Home / 12,789.48-19,186.05-4,022.35

Finding the Fourth Proportional to 12,789.48, 19,186.05 and 4,022.35

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Solution

The fourth proportional to 12,789.48, 19,186.05 and 4,022.35 is: 6,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.48 : 19,186.05 = 4,022.35 : x
  2. Step 2: Convert to fraction form
    12,789.48/19,186.05 = 4,022.35/x
  3. Step 3: Cross multiply
    12,789.48x = 19,186.05 × 4,022.35
  4. Step 4: Simplify right side
    12,789.48x = 77,173,008.22
  5. Step 5: Solve for x
    x = 77,173,008.22/12,789.48
  6. Step 6: Final answer
    x = 6,034.10

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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.