Home / 20,017.63-30,005.94-10,126.92

Finding the Fourth Proportional to 20,017.63, 30,005.94 and 10,126.92

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Solution

The fourth proportional to 20,017.63, 30,005.94 and 10,126.92 is: 15,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.63 : 30,005.94 = 10,126.92 : x
  2. Step 2: Convert to fraction form
    20,017.63/30,005.94 = 10,126.92/x
  3. Step 3: Cross multiply
    20,017.63x = 30,005.94 × 10,126.92
  4. Step 4: Simplify right side
    20,017.63x = 303,867,904.40
  5. Step 5: Solve for x
    x = 303,867,904.40/20,017.63
  6. Step 6: Final answer
    x = 15,180.01

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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.