Home / 20,223.67-30,336.95-7,079.35

Finding the Fourth Proportional to 20,223.67, 30,336.95 and 7,079.35

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Solution

The fourth proportional to 20,223.67, 30,336.95 and 7,079.35 is: 10,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,223.67 : 30,336.95 = 7,079.35 : x
  2. Step 2: Convert to fraction form
    20,223.67/30,336.95 = 7,079.35/x
  3. Step 3: Cross multiply
    20,223.67x = 30,336.95 × 7,079.35
  4. Step 4: Simplify right side
    20,223.67x = 214,765,886.98
  5. Step 5: Solve for x
    x = 214,765,886.98/20,223.67
  6. Step 6: Final answer
    x = 10,619.53

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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.