Home / 30,865.19-46,297.85-11,143.71

Finding the Fourth Proportional to 30,865.19, 46,297.85 and 11,143.71

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Solution

The fourth proportional to 30,865.19, 46,297.85 and 11,143.71 is: 16,715.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,865.19 : 46,297.85 = 11,143.71 : x
  2. Step 2: Convert to fraction form
    30,865.19/46,297.85 = 11,143.71/x
  3. Step 3: Cross multiply
    30,865.19x = 46,297.85 × 11,143.71
  4. Step 4: Simplify right side
    30,865.19x = 515,929,758.30
  5. Step 5: Solve for x
    x = 515,929,758.30/30,865.19
  6. Step 6: Final answer
    x = 16,715.59

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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.