Home / 12,483.47-18,708.80-6,161.82

Finding the Fourth Proportional to 12,483.47, 18,708.80 and 6,161.82

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Solution

The fourth proportional to 12,483.47, 18,708.80 and 6,161.82 is: 9,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483.47 : 18,708.80 = 6,161.82 : x
  2. Step 2: Convert to fraction form
    12,483.47/18,708.80 = 6,161.82/x
  3. Step 3: Cross multiply
    12,483.47x = 18,708.80 × 6,161.82
  4. Step 4: Simplify right side
    12,483.47x = 115,280,297.36
  5. Step 5: Solve for x
    x = 115,280,297.36/12,483.47
  6. Step 6: Final answer
    x = 9,234.64

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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.