Home / 12,529.06-18,787.84-3,762.16

Finding the Fourth Proportional to 12,529.06, 18,787.84 and 3,762.16

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Solution

The fourth proportional to 12,529.06, 18,787.84 and 3,762.16 is: 5,641.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.06 : 18,787.84 = 3,762.16 : x
  2. Step 2: Convert to fraction form
    12,529.06/18,787.84 = 3,762.16/x
  3. Step 3: Cross multiply
    12,529.06x = 18,787.84 × 3,762.16
  4. Step 4: Simplify right side
    12,529.06x = 70,682,860.13
  5. Step 5: Solve for x
    x = 70,682,860.13/12,529.06
  6. Step 6: Final answer
    x = 5,641.51

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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.