Home / 20,072.32-30,119.04-14,266.24

Finding the Fourth Proportional to 20,072.32, 30,119.04 and 14,266.24

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Solution

The fourth proportional to 20,072.32, 30,119.04 and 14,266.24 is: 21,406.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,072.32 : 30,119.04 = 14,266.24 : x
  2. Step 2: Convert to fraction form
    20,072.32/30,119.04 = 14,266.24/x
  3. Step 3: Cross multiply
    20,072.32x = 30,119.04 × 14,266.24
  4. Step 4: Simplify right side
    20,072.32x = 429,685,453.21
  5. Step 5: Solve for x
    x = 429,685,453.21/20,072.32
  6. Step 6: Final answer
    x = 21,406.87

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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.