Home / 19,554.12-26,984.84-11,055.88

Finding the Fourth Proportional to 19,554.12, 26,984.84 and 11,055.88

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Solution

The fourth proportional to 19,554.12, 26,984.84 and 11,055.88 is: 15,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,554.12 : 26,984.84 = 11,055.88 : x
  2. Step 2: Convert to fraction form
    19,554.12/26,984.84 = 11,055.88/x
  3. Step 3: Cross multiply
    19,554.12x = 26,984.84 × 11,055.88
  4. Step 4: Simplify right side
    19,554.12x = 298,341,152.86
  5. Step 5: Solve for x
    x = 298,341,152.86/19,554.12
  6. Step 6: Final answer
    x = 15,257.20

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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.