Home / 13,333.20-19,999.80-10,741.20

Finding the Fourth Proportional to 13,333.20, 19,999.80 and 10,741.20

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Solution

The fourth proportional to 13,333.20, 19,999.80 and 10,741.20 is: 16,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.20 : 19,999.80 = 10,741.20 : x
  2. Step 2: Convert to fraction form
    13,333.20/19,999.80 = 10,741.20/x
  3. Step 3: Cross multiply
    13,333.20x = 19,999.80 × 10,741.20
  4. Step 4: Simplify right side
    13,333.20x = 214,821,851.76
  5. Step 5: Solve for x
    x = 214,821,851.76/13,333.20
  6. Step 6: Final answer
    x = 16,111.80

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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.