Home / 11,289.45-16,935.75-4,714.14

Finding the Fourth Proportional to 11,289.45, 16,935.75 and 4,714.14

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Solution

The fourth proportional to 11,289.45, 16,935.75 and 4,714.14 is: 7,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.45 : 16,935.75 = 4,714.14 : x
  2. Step 2: Convert to fraction form
    11,289.45/16,935.75 = 4,714.14/x
  3. Step 3: Cross multiply
    11,289.45x = 16,935.75 × 4,714.14
  4. Step 4: Simplify right side
    11,289.45x = 79,837,496.51
  5. Step 5: Solve for x
    x = 79,837,496.51/11,289.45
  6. Step 6: Final answer
    x = 7,071.87

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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.