Home / 14,239.36-21,359.04-3,709.35

Finding the Fourth Proportional to 14,239.36, 21,359.04 and 3,709.35

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Solution

The fourth proportional to 14,239.36, 21,359.04 and 3,709.35 is: 5,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,239.36 : 21,359.04 = 3,709.35 : x
  2. Step 2: Convert to fraction form
    14,239.36/21,359.04 = 3,709.35/x
  3. Step 3: Cross multiply
    14,239.36x = 21,359.04 × 3,709.35
  4. Step 4: Simplify right side
    14,239.36x = 79,228,168.93
  5. Step 5: Solve for x
    x = 79,228,168.93/14,239.36
  6. Step 6: Final answer
    x = 5,564.03

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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.