Home / 12,254.06-18,379.63-3,370.29

Finding the Fourth Proportional to 12,254.06, 18,379.63 and 3,370.29

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Solution

The fourth proportional to 12,254.06, 18,379.63 and 3,370.29 is: 5,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.06 : 18,379.63 = 3,370.29 : x
  2. Step 2: Convert to fraction form
    12,254.06/18,379.63 = 3,370.29/x
  3. Step 3: Cross multiply
    12,254.06x = 18,379.63 × 3,370.29
  4. Step 4: Simplify right side
    12,254.06x = 61,944,683.19
  5. Step 5: Solve for x
    x = 61,944,683.19/12,254.06
  6. Step 6: Final answer
    x = 5,055.03

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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.