Home / 12,873.19-19,315.82-4,559.49

Finding the Fourth Proportional to 12,873.19, 19,315.82 and 4,559.49

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Solution

The fourth proportional to 12,873.19, 19,315.82 and 4,559.49 is: 6,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.19 : 19,315.82 = 4,559.49 : x
  2. Step 2: Convert to fraction form
    12,873.19/19,315.82 = 4,559.49/x
  3. Step 3: Cross multiply
    12,873.19x = 19,315.82 × 4,559.49
  4. Step 4: Simplify right side
    12,873.19x = 88,070,288.13
  5. Step 5: Solve for x
    x = 88,070,288.13/12,873.19
  6. Step 6: Final answer
    x = 6,841.37

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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.