Home / 10,851.70-16,234.35-9,406.90

Finding the Fourth Proportional to 10,851.70, 16,234.35 and 9,406.90

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Solution

The fourth proportional to 10,851.70, 16,234.35 and 9,406.90 is: 14,072.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.70 : 16,234.35 = 9,406.90 : x
  2. Step 2: Convert to fraction form
    10,851.70/16,234.35 = 9,406.90/x
  3. Step 3: Cross multiply
    10,851.70x = 16,234.35 × 9,406.90
  4. Step 4: Simplify right side
    10,851.70x = 152,714,907.02
  5. Step 5: Solve for x
    x = 152,714,907.02/10,851.70
  6. Step 6: Final answer
    x = 14,072.90

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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.