Home / 19,222.86-26,525.67-11,155.26

Finding the Fourth Proportional to 19,222.86, 26,525.67 and 11,155.26

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Solution

The fourth proportional to 19,222.86, 26,525.67 and 11,155.26 is: 15,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,222.86 : 26,525.67 = 11,155.26 : x
  2. Step 2: Convert to fraction form
    19,222.86/26,525.67 = 11,155.26/x
  3. Step 3: Cross multiply
    19,222.86x = 26,525.67 × 11,155.26
  4. Step 4: Simplify right side
    19,222.86x = 295,900,745.52
  5. Step 5: Solve for x
    x = 295,900,745.52/19,222.86
  6. Step 6: Final answer
    x = 15,393.17

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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.