Home / 13,018.94-19,521.68-6,355.75

Finding the Fourth Proportional to 13,018.94, 19,521.68 and 6,355.75

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Solution

The fourth proportional to 13,018.94, 19,521.68 and 6,355.75 is: 9,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.94 : 19,521.68 = 6,355.75 : x
  2. Step 2: Convert to fraction form
    13,018.94/19,521.68 = 6,355.75/x
  3. Step 3: Cross multiply
    13,018.94x = 19,521.68 × 6,355.75
  4. Step 4: Simplify right side
    13,018.94x = 124,074,820.05
  5. Step 5: Solve for x
    x = 124,074,820.05/13,018.94
  6. Step 6: Final answer
    x = 9,530.33

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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.