Home / 12,762.18-19,140.50-3,995.94

Finding the Fourth Proportional to 12,762.18, 19,140.50 and 3,995.94

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Solution

The fourth proportional to 12,762.18, 19,140.50 and 3,995.94 is: 5,993.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762.18 : 19,140.50 = 3,995.94 : x
  2. Step 2: Convert to fraction form
    12,762.18/19,140.50 = 3,995.94/x
  3. Step 3: Cross multiply
    12,762.18x = 19,140.50 × 3,995.94
  4. Step 4: Simplify right side
    12,762.18x = 76,484,289.57
  5. Step 5: Solve for x
    x = 76,484,289.57/12,762.18
  6. Step 6: Final answer
    x = 5,993.04

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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.