Home / 12,815.56-19,225.41-4,049.83

Finding the Fourth Proportional to 12,815.56, 19,225.41 and 4,049.83

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Solution

The fourth proportional to 12,815.56, 19,225.41 and 4,049.83 is: 6,075.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815.56 : 19,225.41 = 4,049.83 : x
  2. Step 2: Convert to fraction form
    12,815.56/19,225.41 = 4,049.83/x
  3. Step 3: Cross multiply
    12,815.56x = 19,225.41 × 4,049.83
  4. Step 4: Simplify right side
    12,815.56x = 77,859,642.18
  5. Step 5: Solve for x
    x = 77,859,642.18/12,815.56
  6. Step 6: Final answer
    x = 6,075.40

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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.