Home / 19,155.42-26,433-11,196.90

Finding the Fourth Proportional to 19,155.42, 26,433 and 11,196.90

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Solution

The fourth proportional to 19,155.42, 26,433 and 11,196.90 is: 15,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,155.42 : 26,433 = 11,196.90 : x
  2. Step 2: Convert to fraction form
    19,155.42/26,433 = 11,196.90/x
  3. Step 3: Cross multiply
    19,155.42x = 26,433 × 11,196.90
  4. Step 4: Simplify right side
    19,155.42x = 295,967,657.70
  5. Step 5: Solve for x
    x = 295,967,657.70/19,155.42
  6. Step 6: Final answer
    x = 15,450.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.