Home / 14,770.80-20,388.60-8,804.34

Finding the Fourth Proportional to 14,770.80, 20,388.60 and 8,804.34

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Solution

The fourth proportional to 14,770.80, 20,388.60 and 8,804.34 is: 12,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,770.80 : 20,388.60 = 8,804.34 : x
  2. Step 2: Convert to fraction form
    14,770.80/20,388.60 = 8,804.34/x
  3. Step 3: Cross multiply
    14,770.80x = 20,388.60 × 8,804.34
  4. Step 4: Simplify right side
    14,770.80x = 179,508,166.52
  5. Step 5: Solve for x
    x = 179,508,166.52/14,770.80
  6. Step 6: Final answer
    x = 12,152.91

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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.