Home / 11,237.80-16,835.64-9,400.72

Finding the Fourth Proportional to 11,237.80, 16,835.64 and 9,400.72

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Solution

The fourth proportional to 11,237.80, 16,835.64 and 9,400.72 is: 14,083.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.80 : 16,835.64 = 9,400.72 : x
  2. Step 2: Convert to fraction form
    11,237.80/16,835.64 = 9,400.72/x
  3. Step 3: Cross multiply
    11,237.80x = 16,835.64 × 9,400.72
  4. Step 4: Simplify right side
    11,237.80x = 158,267,137.66
  5. Step 5: Solve for x
    x = 158,267,137.66/11,237.80
  6. Step 6: Final answer
    x = 14,083.46

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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.