Home / 12,770.83-19,159.48-4,005.82

Finding the Fourth Proportional to 12,770.83, 19,159.48 and 4,005.82

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Solution

The fourth proportional to 12,770.83, 19,159.48 and 4,005.82 is: 6,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.83 : 19,159.48 = 4,005.82 : x
  2. Step 2: Convert to fraction form
    12,770.83/19,159.48 = 4,005.82/x
  3. Step 3: Cross multiply
    12,770.83x = 19,159.48 × 4,005.82
  4. Step 4: Simplify right side
    12,770.83x = 76,749,338.09
  5. Step 5: Solve for x
    x = 76,749,338.09/12,770.83
  6. Step 6: Final answer
    x = 6,009.74

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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.