Home / 20,314.76-30,475.95-9,222.23

Finding the Fourth Proportional to 20,314.76, 30,475.95 and 9,222.23

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Solution

The fourth proportional to 20,314.76, 30,475.95 and 9,222.23 is: 13,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,314.76 : 30,475.95 = 9,222.23 : x
  2. Step 2: Convert to fraction form
    20,314.76/30,475.95 = 9,222.23/x
  3. Step 3: Cross multiply
    20,314.76x = 30,475.95 × 9,222.23
  4. Step 4: Simplify right side
    20,314.76x = 281,056,021.88
  5. Step 5: Solve for x
    x = 281,056,021.88/20,314.76
  6. Step 6: Final answer
    x = 13,835.07

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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.