Home / 12,836.24-19,238.28-6,898.56

Finding the Fourth Proportional to 12,836.24, 19,238.28 and 6,898.56

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Solution

The fourth proportional to 12,836.24, 19,238.28 and 6,898.56 is: 10,339.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.24 : 19,238.28 = 6,898.56 : x
  2. Step 2: Convert to fraction form
    12,836.24/19,238.28 = 6,898.56/x
  3. Step 3: Cross multiply
    12,836.24x = 19,238.28 × 6,898.56
  4. Step 4: Simplify right side
    12,836.24x = 132,716,428.88
  5. Step 5: Solve for x
    x = 132,716,428.88/12,836.24
  6. Step 6: Final answer
    x = 10,339.20

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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.