Home / 11,279.09-16,923.93-5,038.52

Finding the Fourth Proportional to 11,279.09, 16,923.93 and 5,038.52

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Solution

The fourth proportional to 11,279.09, 16,923.93 and 5,038.52 is: 7,560.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.09 : 16,923.93 = 5,038.52 : x
  2. Step 2: Convert to fraction form
    11,279.09/16,923.93 = 5,038.52/x
  3. Step 3: Cross multiply
    11,279.09x = 16,923.93 × 5,038.52
  4. Step 4: Simplify right side
    11,279.09x = 85,271,559.78
  5. Step 5: Solve for x
    x = 85,271,559.78/11,279.09
  6. Step 6: Final answer
    x = 7,560.15

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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.