Home / 12,818.84-19,228.19-6,898.52

Finding the Fourth Proportional to 12,818.84, 19,228.19 and 6,898.52

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Solution

The fourth proportional to 12,818.84, 19,228.19 and 6,898.52 is: 10,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,818.84 : 19,228.19 = 6,898.52 : x
  2. Step 2: Convert to fraction form
    12,818.84/19,228.19 = 6,898.52/x
  3. Step 3: Cross multiply
    12,818.84x = 19,228.19 × 6,898.52
  4. Step 4: Simplify right side
    12,818.84x = 132,645,994.75
  5. Step 5: Solve for x
    x = 132,645,994.75/12,818.84
  6. Step 6: Final answer
    x = 10,347.74

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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.