Home / 20,486.07-30,718.60-9,383.24

Finding the Fourth Proportional to 20,486.07, 30,718.60 and 9,383.24

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Solution

The fourth proportional to 20,486.07, 30,718.60 and 9,383.24 is: 14,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,486.07 : 30,718.60 = 9,383.24 : x
  2. Step 2: Convert to fraction form
    20,486.07/30,718.60 = 9,383.24/x
  3. Step 3: Cross multiply
    20,486.07x = 30,718.60 × 9,383.24
  4. Step 4: Simplify right side
    20,486.07x = 288,240,049.60
  5. Step 5: Solve for x
    x = 288,240,049.60/20,486.07
  6. Step 6: Final answer
    x = 14,070.05

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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.