Home / 19,788.50-29,683.67-11,016.81

Finding the Fourth Proportional to 19,788.50, 29,683.67 and 11,016.81

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Solution

The fourth proportional to 19,788.50, 29,683.67 and 11,016.81 is: 16,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788.50 : 29,683.67 = 11,016.81 : x
  2. Step 2: Convert to fraction form
    19,788.50/29,683.67 = 11,016.81/x
  3. Step 3: Cross multiply
    19,788.50x = 29,683.67 × 11,016.81
  4. Step 4: Simplify right side
    19,788.50x = 327,019,297.41
  5. Step 5: Solve for x
    x = 327,019,297.41/19,788.50
  6. Step 6: Final answer
    x = 16,525.72

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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.