Home / 13,836.47-20,775.60-11,054.88

Finding the Fourth Proportional to 13,836.47, 20,775.60 and 11,054.88

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Solution

The fourth proportional to 13,836.47, 20,775.60 and 11,054.88 is: 16,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.47 : 20,775.60 = 11,054.88 : x
  2. Step 2: Convert to fraction form
    13,836.47/20,775.60 = 11,054.88/x
  3. Step 3: Cross multiply
    13,836.47x = 20,775.60 × 11,054.88
  4. Step 4: Simplify right side
    13,836.47x = 229,671,764.93
  5. Step 5: Solve for x
    x = 229,671,764.93/13,836.47
  6. Step 6: Final answer
    x = 16,599.02

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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.