Home / 12,397.93-18,588.80-4,498.94

Finding the Fourth Proportional to 12,397.93, 18,588.80 and 4,498.94

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Solution

The fourth proportional to 12,397.93, 18,588.80 and 4,498.94 is: 6,745.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,397.93 : 18,588.80 = 4,498.94 : x
  2. Step 2: Convert to fraction form
    12,397.93/18,588.80 = 4,498.94/x
  3. Step 3: Cross multiply
    12,397.93x = 18,588.80 × 4,498.94
  4. Step 4: Simplify right side
    12,397.93x = 83,629,953.59
  5. Step 5: Solve for x
    x = 83,629,953.59/12,397.93
  6. Step 6: Final answer
    x = 6,745.48

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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.