Home / 20,144.07-30,205.73-9,041.24

Finding the Fourth Proportional to 20,144.07, 30,205.73 and 9,041.24

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Solution

The fourth proportional to 20,144.07, 30,205.73 and 9,041.24 is: 13,557.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,144.07 : 30,205.73 = 9,041.24 : x
  2. Step 2: Convert to fraction form
    20,144.07/30,205.73 = 9,041.24/x
  3. Step 3: Cross multiply
    20,144.07x = 30,205.73 × 9,041.24
  4. Step 4: Simplify right side
    20,144.07x = 273,097,254.31
  5. Step 5: Solve for x
    x = 273,097,254.31/20,144.07
  6. Step 6: Final answer
    x = 13,557.20

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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.