Home / 12,488.74-18,733.71-4,696.95

Finding the Fourth Proportional to 12,488.74, 18,733.71 and 4,696.95

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Solution

The fourth proportional to 12,488.74, 18,733.71 and 4,696.95 is: 7,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,488.74 : 18,733.71 = 4,696.95 : x
  2. Step 2: Convert to fraction form
    12,488.74/18,733.71 = 4,696.95/x
  3. Step 3: Cross multiply
    12,488.74x = 18,733.71 × 4,696.95
  4. Step 4: Simplify right side
    12,488.74x = 87,991,299.18
  5. Step 5: Solve for x
    x = 87,991,299.18/12,488.74
  6. Step 6: Final answer
    x = 7,045.65

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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.