Home / 18,030.45-24,893.78-16,138.81

Finding the Fourth Proportional to 18,030.45, 24,893.78 and 16,138.81

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Solution

The fourth proportional to 18,030.45, 24,893.78 and 16,138.81 is: 22,282.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.45 : 24,893.78 = 16,138.81 : x
  2. Step 2: Convert to fraction form
    18,030.45/24,893.78 = 16,138.81/x
  3. Step 3: Cross multiply
    18,030.45x = 24,893.78 × 16,138.81
  4. Step 4: Simplify right side
    18,030.45x = 401,755,936.02
  5. Step 5: Solve for x
    x = 401,755,936.02/18,030.45
  6. Step 6: Final answer
    x = 22,282.08

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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.