Home / 12,818.42-19,216.18-6,898.48

Finding the Fourth Proportional to 12,818.42, 19,216.18 and 6,898.48

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Solution

The fourth proportional to 12,818.42, 19,216.18 and 6,898.48 is: 10,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.42 : 19,216.18 = 6,898.48 : x
  2. Step 2: Convert to fraction form
    12,818.42/19,216.18 = 6,898.48/x
  3. Step 3: Cross multiply
    12,818.42x = 19,216.18 × 6,898.48
  4. Step 4: Simplify right side
    12,818.42x = 132,562,433.41
  5. Step 5: Solve for x
    x = 132,562,433.41/12,818.42
  6. Step 6: Final answer
    x = 10,341.56

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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.