Home / 13,465.84-20,167.41-12,998.74

Finding the Fourth Proportional to 13,465.84, 20,167.41 and 12,998.74

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Solution

The fourth proportional to 13,465.84, 20,167.41 and 12,998.74 is: 19,467.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465.84 : 20,167.41 = 12,998.74 : x
  2. Step 2: Convert to fraction form
    13,465.84/20,167.41 = 12,998.74/x
  3. Step 3: Cross multiply
    13,465.84x = 20,167.41 × 12,998.74
  4. Step 4: Simplify right side
    13,465.84x = 262,150,919.06
  5. Step 5: Solve for x
    x = 262,150,919.06/13,465.84
  6. Step 6: Final answer
    x = 19,467.85

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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.