Home / 10,839.10-16,295.10-9,235.30

Finding the Fourth Proportional to 10,839.10, 16,295.10 and 9,235.30

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Solution

The fourth proportional to 10,839.10, 16,295.10 and 9,235.30 is: 13,884.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.10 : 16,295.10 = 9,235.30 : x
  2. Step 2: Convert to fraction form
    10,839.10/16,295.10 = 9,235.30/x
  3. Step 3: Cross multiply
    10,839.10x = 16,295.10 × 9,235.30
  4. Step 4: Simplify right side
    10,839.10x = 150,490,137.03
  5. Step 5: Solve for x
    x = 150,490,137.03/10,839.10
  6. Step 6: Final answer
    x = 13,884.01

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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.