Home / 13,764.58-20,611.80-9,070.36

Finding the Fourth Proportional to 13,764.58, 20,611.80 and 9,070.36

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Solution

The fourth proportional to 13,764.58, 20,611.80 and 9,070.36 is: 13,582.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,764.58 : 20,611.80 = 9,070.36 : x
  2. Step 2: Convert to fraction form
    13,764.58/20,611.80 = 9,070.36/x
  3. Step 3: Cross multiply
    13,764.58x = 20,611.80 × 9,070.36
  4. Step 4: Simplify right side
    13,764.58x = 186,956,446.25
  5. Step 5: Solve for x
    x = 186,956,446.25/13,764.58
  6. Step 6: Final answer
    x = 13,582.43

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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.