Home / 20,491.07-30,736.51-6,452.29

Finding the Fourth Proportional to 20,491.07, 30,736.51 and 6,452.29

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Solution

The fourth proportional to 20,491.07, 30,736.51 and 6,452.29 is: 9,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491.07 : 30,736.51 = 6,452.29 : x
  2. Step 2: Convert to fraction form
    20,491.07/30,736.51 = 6,452.29/x
  3. Step 3: Cross multiply
    20,491.07x = 30,736.51 × 6,452.29
  4. Step 4: Simplify right side
    20,491.07x = 198,320,783.14
  5. Step 5: Solve for x
    x = 198,320,783.14/20,491.07
  6. Step 6: Final answer
    x = 9,678.40

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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.