Home / 12,210.03-18,314.03-3,889.71

Finding the Fourth Proportional to 12,210.03, 18,314.03 and 3,889.71

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Solution

The fourth proportional to 12,210.03, 18,314.03 and 3,889.71 is: 5,834.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.03 : 18,314.03 = 3,889.71 : x
  2. Step 2: Convert to fraction form
    12,210.03/18,314.03 = 3,889.71/x
  3. Step 3: Cross multiply
    12,210.03x = 18,314.03 × 3,889.71
  4. Step 4: Simplify right side
    12,210.03x = 71,236,275.36
  5. Step 5: Solve for x
    x = 71,236,275.36/12,210.03
  6. Step 6: Final answer
    x = 5,834.24

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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.