Home / 15,390.37-23,076.30-6,019.21

Finding the Fourth Proportional to 15,390.37, 23,076.30 and 6,019.21

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Solution

The fourth proportional to 15,390.37, 23,076.30 and 6,019.21 is: 9,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.37 : 23,076.30 = 6,019.21 : x
  2. Step 2: Convert to fraction form
    15,390.37/23,076.30 = 6,019.21/x
  3. Step 3: Cross multiply
    15,390.37x = 23,076.30 × 6,019.21
  4. Step 4: Simplify right side
    15,390.37x = 138,901,147.14
  5. Step 5: Solve for x
    x = 138,901,147.14/15,390.37
  6. Step 6: Final answer
    x = 9,025.20

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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.