Home / 19,129.41-28,652.49-9,247.89

Finding the Fourth Proportional to 19,129.41, 28,652.49 and 9,247.89

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Solution

The fourth proportional to 19,129.41, 28,652.49 and 9,247.89 is: 13,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.41 : 28,652.49 = 9,247.89 : x
  2. Step 2: Convert to fraction form
    19,129.41/28,652.49 = 9,247.89/x
  3. Step 3: Cross multiply
    19,129.41x = 28,652.49 × 9,247.89
  4. Step 4: Simplify right side
    19,129.41x = 264,975,075.75
  5. Step 5: Solve for x
    x = 264,975,075.75/19,129.41
  6. Step 6: Final answer
    x = 13,851.71

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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.