Home / 12,873.28-19,322.32-8,493.76

Finding the Fourth Proportional to 12,873.28, 19,322.32 and 8,493.76

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Solution

The fourth proportional to 12,873.28, 19,322.32 and 8,493.76 is: 12,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.28 : 19,322.32 = 8,493.76 : x
  2. Step 2: Convert to fraction form
    12,873.28/19,322.32 = 8,493.76/x
  3. Step 3: Cross multiply
    12,873.28x = 19,322.32 × 8,493.76
  4. Step 4: Simplify right side
    12,873.28x = 164,119,148.72
  5. Step 5: Solve for x
    x = 164,119,148.72/12,873.28
  6. Step 6: Final answer
    x = 12,748.82

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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.