Home / 20,150.07-30,214.73-9,047.24

Finding the Fourth Proportional to 20,150.07, 30,214.73 and 9,047.24

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Solution

The fourth proportional to 20,150.07, 30,214.73 and 9,047.24 is: 13,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,150.07 : 30,214.73 = 9,047.24 : x
  2. Step 2: Convert to fraction form
    20,150.07/30,214.73 = 9,047.24/x
  3. Step 3: Cross multiply
    20,150.07x = 30,214.73 × 9,047.24
  4. Step 4: Simplify right side
    20,150.07x = 273,359,913.85
  5. Step 5: Solve for x
    x = 273,359,913.85/20,150.07
  6. Step 6: Final answer
    x = 13,566.20

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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.