Home / 12,525.65-18,788.78-4,205.94

Finding the Fourth Proportional to 12,525.65, 18,788.78 and 4,205.94

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Solution

The fourth proportional to 12,525.65, 18,788.78 and 4,205.94 is: 6,309.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.65 : 18,788.78 = 4,205.94 : x
  2. Step 2: Convert to fraction form
    12,525.65/18,788.78 = 4,205.94/x
  3. Step 3: Cross multiply
    12,525.65x = 18,788.78 × 4,205.94
  4. Step 4: Simplify right side
    12,525.65x = 79,024,366.38
  5. Step 5: Solve for x
    x = 79,024,366.38/12,525.65
  6. Step 6: Final answer
    x = 6,309.00

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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.