Home / 12,789.60-19,187.45-4,024.49

Finding the Fourth Proportional to 12,789.60, 19,187.45 and 4,024.49

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Solution

The fourth proportional to 12,789.60, 19,187.45 and 4,024.49 is: 6,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,789.60 : 19,187.45 = 4,024.49 : x
  2. Step 2: Convert to fraction form
    12,789.60/19,187.45 = 4,024.49/x
  3. Step 3: Cross multiply
    12,789.60x = 19,187.45 × 4,024.49
  4. Step 4: Simplify right side
    12,789.60x = 77,219,599.68
  5. Step 5: Solve for x
    x = 77,219,599.68/12,789.60
  6. Step 6: Final answer
    x = 6,037.69

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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.