Home / 15,923.19-23,879.52-5,390.37

Finding the Fourth Proportional to 15,923.19, 23,879.52 and 5,390.37

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Solution

The fourth proportional to 15,923.19, 23,879.52 and 5,390.37 is: 8,083.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.19 : 23,879.52 = 5,390.37 : x
  2. Step 2: Convert to fraction form
    15,923.19/23,879.52 = 5,390.37/x
  3. Step 3: Cross multiply
    15,923.19x = 23,879.52 × 5,390.37
  4. Step 4: Simplify right side
    15,923.19x = 128,719,448.22
  5. Step 5: Solve for x
    x = 128,719,448.22/15,923.19
  6. Step 6: Final answer
    x = 8,083.77

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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.