Home / 11,120.85-16,681.31-9,030.93

Finding the Fourth Proportional to 11,120.85, 16,681.31 and 9,030.93

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Solution

The fourth proportional to 11,120.85, 16,681.31 and 9,030.93 is: 13,546.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.85 : 16,681.31 = 9,030.93 : x
  2. Step 2: Convert to fraction form
    11,120.85/16,681.31 = 9,030.93/x
  3. Step 3: Cross multiply
    11,120.85x = 16,681.31 × 9,030.93
  4. Step 4: Simplify right side
    11,120.85x = 150,647,697.76
  5. Step 5: Solve for x
    x = 150,647,697.76/11,120.85
  6. Step 6: Final answer
    x = 13,546.42

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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.