Home / 21,234.18-31,851.27-9,533.73

Finding the Fourth Proportional to 21,234.18, 31,851.27 and 9,533.73

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Solution

The fourth proportional to 21,234.18, 31,851.27 and 9,533.73 is: 14,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,234.18 : 31,851.27 = 9,533.73 : x
  2. Step 2: Convert to fraction form
    21,234.18/31,851.27 = 9,533.73/x
  3. Step 3: Cross multiply
    21,234.18x = 31,851.27 × 9,533.73
  4. Step 4: Simplify right side
    21,234.18x = 303,661,408.34
  5. Step 5: Solve for x
    x = 303,661,408.34/21,234.18
  6. Step 6: Final answer
    x = 14,300.60

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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.