Home / 11,720.70-17,569.58-4,698.81

Finding the Fourth Proportional to 11,720.70, 17,569.58 and 4,698.81

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Solution

The fourth proportional to 11,720.70, 17,569.58 and 4,698.81 is: 7,043.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,720.70 : 17,569.58 = 4,698.81 : x
  2. Step 2: Convert to fraction form
    11,720.70/17,569.58 = 4,698.81/x
  3. Step 3: Cross multiply
    11,720.70x = 17,569.58 × 4,698.81
  4. Step 4: Simplify right side
    11,720.70x = 82,556,094.71
  5. Step 5: Solve for x
    x = 82,556,094.71/11,720.70
  6. Step 6: Final answer
    x = 7,043.61

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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.