Home / 11,237.39-16,855.95-8,774.24

Finding the Fourth Proportional to 11,237.39, 16,855.95 and 8,774.24

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Solution

The fourth proportional to 11,237.39, 16,855.95 and 8,774.24 is: 13,161.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,237.39 : 16,855.95 = 8,774.24 : x
  2. Step 2: Convert to fraction form
    11,237.39/16,855.95 = 8,774.24/x
  3. Step 3: Cross multiply
    11,237.39x = 16,855.95 × 8,774.24
  4. Step 4: Simplify right side
    11,237.39x = 147,898,150.73
  5. Step 5: Solve for x
    x = 147,898,150.73/11,237.39
  6. Step 6: Final answer
    x = 13,161.25

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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.