Home / 9,219.99-13,830.06-2,646.39

Finding the Fourth Proportional to 9,219.99, 13,830.06 and 2,646.39

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Solution

The fourth proportional to 9,219.99, 13,830.06 and 2,646.39 is: 3,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.99 : 13,830.06 = 2,646.39 : x
  2. Step 2: Convert to fraction form
    9,219.99/13,830.06 = 2,646.39/x
  3. Step 3: Cross multiply
    9,219.99x = 13,830.06 × 2,646.39
  4. Step 4: Simplify right side
    9,219.99x = 36,599,732.48
  5. Step 5: Solve for x
    x = 36,599,732.48/9,219.99
  6. Step 6: Final answer
    x = 3,969.61

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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.