Home / 11,200.19-15,455.48-6,662.63

Finding the Fourth Proportional to 11,200.19, 15,455.48 and 6,662.63

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Solution

The fourth proportional to 11,200.19, 15,455.48 and 6,662.63 is: 9,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,200.19 : 15,455.48 = 6,662.63 : x
  2. Step 2: Convert to fraction form
    11,200.19/15,455.48 = 6,662.63/x
  3. Step 3: Cross multiply
    11,200.19x = 15,455.48 × 6,662.63
  4. Step 4: Simplify right side
    11,200.19x = 102,974,034.12
  5. Step 5: Solve for x
    x = 102,974,034.12/11,200.19
  6. Step 6: Final answer
    x = 9,193.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.