Home / 13,852.16-20,764.80-6,905.60

Finding the Fourth Proportional to 13,852.16, 20,764.80 and 6,905.60

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Solution

The fourth proportional to 13,852.16, 20,764.80 and 6,905.60 is: 10,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.16 : 20,764.80 = 6,905.60 : x
  2. Step 2: Convert to fraction form
    13,852.16/20,764.80 = 6,905.60/x
  3. Step 3: Cross multiply
    13,852.16x = 20,764.80 × 6,905.60
  4. Step 4: Simplify right side
    13,852.16x = 143,393,402.88
  5. Step 5: Solve for x
    x = 143,393,402.88/13,852.16
  6. Step 6: Final answer
    x = 10,351.70

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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.