Home / 20,319.09-30,467.46-6,275.24

Finding the Fourth Proportional to 20,319.09, 30,467.46 and 6,275.24

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Solution

The fourth proportional to 20,319.09, 30,467.46 and 6,275.24 is: 9,409.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,319.09 : 30,467.46 = 6,275.24 : x
  2. Step 2: Convert to fraction form
    20,319.09/30,467.46 = 6,275.24/x
  3. Step 3: Cross multiply
    20,319.09x = 30,467.46 × 6,275.24
  4. Step 4: Simplify right side
    20,319.09x = 191,190,623.69
  5. Step 5: Solve for x
    x = 191,190,623.69/20,319.09
  6. Step 6: Final answer
    x = 9,409.41

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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.