Home / 11,812.14-17,712.81-4,018.86

Finding the Fourth Proportional to 11,812.14, 17,712.81 and 4,018.86

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Solution

The fourth proportional to 11,812.14, 17,712.81 and 4,018.86 is: 6,026.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.14 : 17,712.81 = 4,018.86 : x
  2. Step 2: Convert to fraction form
    11,812.14/17,712.81 = 4,018.86/x
  3. Step 3: Cross multiply
    11,812.14x = 17,712.81 × 4,018.86
  4. Step 4: Simplify right side
    11,812.14x = 71,185,303.60
  5. Step 5: Solve for x
    x = 71,185,303.60/11,812.14
  6. Step 6: Final answer
    x = 6,026.45

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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.