Home / 9,119.21-13,678.95-6,019.07

Finding the Fourth Proportional to 9,119.21, 13,678.95 and 6,019.07

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Solution

The fourth proportional to 9,119.21, 13,678.95 and 6,019.07 is: 9,028.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.21 : 13,678.95 = 6,019.07 : x
  2. Step 2: Convert to fraction form
    9,119.21/13,678.95 = 6,019.07/x
  3. Step 3: Cross multiply
    9,119.21x = 13,678.95 × 6,019.07
  4. Step 4: Simplify right side
    9,119.21x = 82,334,557.58
  5. Step 5: Solve for x
    x = 82,334,557.58/9,119.21
  6. Step 6: Final answer
    x = 9,028.69

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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.