Home / 14,048.03-21,072.04-3,659.78

Finding the Fourth Proportional to 14,048.03, 21,072.04 and 3,659.78

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Solution

The fourth proportional to 14,048.03, 21,072.04 and 3,659.78 is: 5,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,048.03 : 21,072.04 = 3,659.78 : x
  2. Step 2: Convert to fraction form
    14,048.03/21,072.04 = 3,659.78/x
  3. Step 3: Cross multiply
    14,048.03x = 21,072.04 × 3,659.78
  4. Step 4: Simplify right side
    14,048.03x = 77,119,030.55
  5. Step 5: Solve for x
    x = 77,119,030.55/14,048.03
  6. Step 6: Final answer
    x = 5,489.67

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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.