Home / 30,854.78-46,272.59-11,130.76

Finding the Fourth Proportional to 30,854.78, 46,272.59 and 11,130.76

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Solution

The fourth proportional to 30,854.78, 46,272.59 and 11,130.76 is: 16,692.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.78 : 46,272.59 = 11,130.76 : x
  2. Step 2: Convert to fraction form
    30,854.78/46,272.59 = 11,130.76/x
  3. Step 3: Cross multiply
    30,854.78x = 46,272.59 × 11,130.76
  4. Step 4: Simplify right side
    30,854.78x = 515,049,093.87
  5. Step 5: Solve for x
    x = 515,049,093.87/30,854.78
  6. Step 6: Final answer
    x = 16,692.68

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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.