Home / 12,237.81-18,363.98-4,447.23

Finding the Fourth Proportional to 12,237.81, 18,363.98 and 4,447.23

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Solution

The fourth proportional to 12,237.81, 18,363.98 and 4,447.23 is: 6,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.81 : 18,363.98 = 4,447.23 : x
  2. Step 2: Convert to fraction form
    12,237.81/18,363.98 = 4,447.23/x
  3. Step 3: Cross multiply
    12,237.81x = 18,363.98 × 4,447.23
  4. Step 4: Simplify right side
    12,237.81x = 81,668,820.54
  5. Step 5: Solve for x
    x = 81,668,820.54/12,237.81
  6. Step 6: Final answer
    x = 6,673.48

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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.