Home / 9,478.69-14,218.55-3,634.84

Finding the Fourth Proportional to 9,478.69, 14,218.55 and 3,634.84

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Solution

The fourth proportional to 9,478.69, 14,218.55 and 3,634.84 is: 5,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.69 : 14,218.55 = 3,634.84 : x
  2. Step 2: Convert to fraction form
    9,478.69/14,218.55 = 3,634.84/x
  3. Step 3: Cross multiply
    9,478.69x = 14,218.55 × 3,634.84
  4. Step 4: Simplify right side
    9,478.69x = 51,682,154.28
  5. Step 5: Solve for x
    x = 51,682,154.28/9,478.69
  6. Step 6: Final answer
    x = 5,452.46

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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.