Home / 11,739.42-17,615.88-6,818.40

Finding the Fourth Proportional to 11,739.42, 17,615.88 and 6,818.40

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Solution

The fourth proportional to 11,739.42, 17,615.88 and 6,818.40 is: 10,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,739.42 : 17,615.88 = 6,818.40 : x
  2. Step 2: Convert to fraction form
    11,739.42/17,615.88 = 6,818.40/x
  3. Step 3: Cross multiply
    11,739.42x = 17,615.88 × 6,818.40
  4. Step 4: Simplify right side
    11,739.42x = 120,112,116.19
  5. Step 5: Solve for x
    x = 120,112,116.19/11,739.42
  6. Step 6: Final answer
    x = 10,231.52

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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.