Home / 20,302.03-30,448.86-7,817.77

Finding the Fourth Proportional to 20,302.03, 30,448.86 and 7,817.77

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Solution

The fourth proportional to 20,302.03, 30,448.86 and 7,817.77 is: 11,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.03 : 30,448.86 = 7,817.77 : x
  2. Step 2: Convert to fraction form
    20,302.03/30,448.86 = 7,817.77/x
  3. Step 3: Cross multiply
    20,302.03x = 30,448.86 × 7,817.77
  4. Step 4: Simplify right side
    20,302.03x = 238,042,184.24
  5. Step 5: Solve for x
    x = 238,042,184.24/20,302.03
  6. Step 6: Final answer
    x = 11,725.04

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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.