Home / 11,818.35-17,710.80-6,555.67

Finding the Fourth Proportional to 11,818.35, 17,710.80 and 6,555.67

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Solution

The fourth proportional to 11,818.35, 17,710.80 and 6,555.67 is: 9,824.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.35 : 17,710.80 = 6,555.67 : x
  2. Step 2: Convert to fraction form
    11,818.35/17,710.80 = 6,555.67/x
  3. Step 3: Cross multiply
    11,818.35x = 17,710.80 × 6,555.67
  4. Step 4: Simplify right side
    11,818.35x = 116,106,160.24
  5. Step 5: Solve for x
    x = 116,106,160.24/11,818.35
  6. Step 6: Final answer
    x = 9,824.23

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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.