Home / 12,030.99-18,048.21-3,711.69

Finding the Fourth Proportional to 12,030.99, 18,048.21 and 3,711.69

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Solution

The fourth proportional to 12,030.99, 18,048.21 and 3,711.69 is: 5,568.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.99 : 18,048.21 = 3,711.69 : x
  2. Step 2: Convert to fraction form
    12,030.99/18,048.21 = 3,711.69/x
  3. Step 3: Cross multiply
    12,030.99x = 18,048.21 × 3,711.69
  4. Step 4: Simplify right side
    12,030.99x = 66,989,360.57
  5. Step 5: Solve for x
    x = 66,989,360.57/12,030.99
  6. Step 6: Final answer
    x = 5,568.07

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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.