Home / 12,498.36-18,706.68-6,867.42

Finding the Fourth Proportional to 12,498.36, 18,706.68 and 6,867.42

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Solution

The fourth proportional to 12,498.36, 18,706.68 and 6,867.42 is: 10,278.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.36 : 18,706.68 = 6,867.42 : x
  2. Step 2: Convert to fraction form
    12,498.36/18,706.68 = 6,867.42/x
  3. Step 3: Cross multiply
    12,498.36x = 18,706.68 × 6,867.42
  4. Step 4: Simplify right side
    12,498.36x = 128,466,628.37
  5. Step 5: Solve for x
    x = 128,466,628.37/12,498.36
  6. Step 6: Final answer
    x = 10,278.68

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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.