Home / 22,090.41-30,484.39-12,018.59

Finding the Fourth Proportional to 22,090.41, 30,484.39 and 12,018.59

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Solution

The fourth proportional to 22,090.41, 30,484.39 and 12,018.59 is: 16,585.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.41 : 30,484.39 = 12,018.59 : x
  2. Step 2: Convert to fraction form
    22,090.41/30,484.39 = 12,018.59/x
  3. Step 3: Cross multiply
    22,090.41x = 30,484.39 × 12,018.59
  4. Step 4: Simplify right side
    22,090.41x = 366,379,365.16
  5. Step 5: Solve for x
    x = 366,379,365.16/22,090.41
  6. Step 6: Final answer
    x = 16,585.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.