Home / 12,919.92-19,346.05-8,463.57

Finding the Fourth Proportional to 12,919.92, 19,346.05 and 8,463.57

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Solution

The fourth proportional to 12,919.92, 19,346.05 and 8,463.57 is: 12,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,919.92 : 19,346.05 = 8,463.57 : x
  2. Step 2: Convert to fraction form
    12,919.92/19,346.05 = 8,463.57/x
  3. Step 3: Cross multiply
    12,919.92x = 19,346.05 × 8,463.57
  4. Step 4: Simplify right side
    12,919.92x = 163,736,509.35
  5. Step 5: Solve for x
    x = 163,736,509.35/12,919.92
  6. Step 6: Final answer
    x = 12,673.18

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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.