Home / 12,240.06-18,368.29-4,448.87

Finding the Fourth Proportional to 12,240.06, 18,368.29 and 4,448.87

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Solution

The fourth proportional to 12,240.06, 18,368.29 and 4,448.87 is: 6,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.06 : 18,368.29 = 4,448.87 : x
  2. Step 2: Convert to fraction form
    12,240.06/18,368.29 = 4,448.87/x
  3. Step 3: Cross multiply
    12,240.06x = 18,368.29 × 4,448.87
  4. Step 4: Simplify right side
    12,240.06x = 81,718,116.93
  5. Step 5: Solve for x
    x = 81,718,116.93/12,240.06
  6. Step 6: Final answer
    x = 6,676.29

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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.