Home / 12,576.02-18,866.94-3,690.99

Finding the Fourth Proportional to 12,576.02, 18,866.94 and 3,690.99

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Solution

The fourth proportional to 12,576.02, 18,866.94 and 3,690.99 is: 5,537.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,576.02 : 18,866.94 = 3,690.99 : x
  2. Step 2: Convert to fraction form
    12,576.02/18,866.94 = 3,690.99/x
  3. Step 3: Cross multiply
    12,576.02x = 18,866.94 × 3,690.99
  4. Step 4: Simplify right side
    12,576.02x = 69,637,686.87
  5. Step 5: Solve for x
    x = 69,637,686.87/12,576.02
  6. Step 6: Final answer
    x = 5,537.34

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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.