Home / 10,334.51-15,499.43-2,938.80

Finding the Fourth Proportional to 10,334.51, 15,499.43 and 2,938.80

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Solution

The fourth proportional to 10,334.51, 15,499.43 and 2,938.80 is: 4,407.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,334.51 : 15,499.43 = 2,938.80 : x
  2. Step 2: Convert to fraction form
    10,334.51/15,499.43 = 2,938.80/x
  3. Step 3: Cross multiply
    10,334.51x = 15,499.43 × 2,938.80
  4. Step 4: Simplify right side
    10,334.51x = 45,549,779.33
  5. Step 5: Solve for x
    x = 45,549,779.33/10,334.51
  6. Step 6: Final answer
    x = 4,407.54

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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.