Home / 30,897.72-46,350.19-11,185.56

Finding the Fourth Proportional to 30,897.72, 46,350.19 and 11,185.56

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Solution

The fourth proportional to 30,897.72, 46,350.19 and 11,185.56 is: 16,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,897.72 : 46,350.19 = 11,185.56 : x
  2. Step 2: Convert to fraction form
    30,897.72/46,350.19 = 11,185.56/x
  3. Step 3: Cross multiply
    30,897.72x = 46,350.19 × 11,185.56
  4. Step 4: Simplify right side
    30,897.72x = 518,452,775.33
  5. Step 5: Solve for x
    x = 518,452,775.33/30,897.72
  6. Step 6: Final answer
    x = 16,779.65

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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.