Home / 12,461.24-18,686.39-4,664.59

Finding the Fourth Proportional to 12,461.24, 18,686.39 and 4,664.59

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Solution

The fourth proportional to 12,461.24, 18,686.39 and 4,664.59 is: 6,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,461.24 : 18,686.39 = 4,664.59 : x
  2. Step 2: Convert to fraction form
    12,461.24/18,686.39 = 4,664.59/x
  3. Step 3: Cross multiply
    12,461.24x = 18,686.39 × 4,664.59
  4. Step 4: Simplify right side
    12,461.24x = 87,164,295.35
  5. Step 5: Solve for x
    x = 87,164,295.35/12,461.24
  6. Step 6: Final answer
    x = 6,994.83

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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.