Home / 14,554.70-20,087.90-8,587.83

Finding the Fourth Proportional to 14,554.70, 20,087.90 and 8,587.83

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Solution

The fourth proportional to 14,554.70, 20,087.90 and 8,587.83 is: 11,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,554.70 : 20,087.90 = 8,587.83 : x
  2. Step 2: Convert to fraction form
    14,554.70/20,087.90 = 8,587.83/x
  3. Step 3: Cross multiply
    14,554.70x = 20,087.90 × 8,587.83
  4. Step 4: Simplify right side
    14,554.70x = 172,511,427.32
  5. Step 5: Solve for x
    x = 172,511,427.32/14,554.70
  6. Step 6: Final answer
    x = 11,852.63

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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.