Home / 30,854.90-46,272.78-11,130.89

Finding the Fourth Proportional to 30,854.90, 46,272.78 and 11,130.89

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Solution

The fourth proportional to 30,854.90, 46,272.78 and 11,130.89 is: 16,692.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.90 : 46,272.78 = 11,130.89 : x
  2. Step 2: Convert to fraction form
    30,854.90/46,272.78 = 11,130.89/x
  3. Step 3: Cross multiply
    30,854.90x = 46,272.78 × 11,130.89
  4. Step 4: Simplify right side
    30,854.90x = 515,056,992.81
  5. Step 5: Solve for x
    x = 515,056,992.81/30,854.90
  6. Step 6: Final answer
    x = 16,692.87

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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.