Home / 12,488.58-18,733.41-4,166.91

Finding the Fourth Proportional to 12,488.58, 18,733.41 and 4,166.91

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Solution

The fourth proportional to 12,488.58, 18,733.41 and 4,166.91 is: 6,250.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.58 : 18,733.41 = 4,166.91 : x
  2. Step 2: Convert to fraction form
    12,488.58/18,733.41 = 4,166.91/x
  3. Step 3: Cross multiply
    12,488.58x = 18,733.41 × 4,166.91
  4. Step 4: Simplify right side
    12,488.58x = 78,060,433.46
  5. Step 5: Solve for x
    x = 78,060,433.46/12,488.58
  6. Step 6: Final answer
    x = 6,250.55

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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.