Home / 10,813.37-16,112.57-9,634.32

Finding the Fourth Proportional to 10,813.37, 16,112.57 and 9,634.32

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Solution

The fourth proportional to 10,813.37, 16,112.57 and 9,634.32 is: 14,355.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.37 : 16,112.57 = 9,634.32 : x
  2. Step 2: Convert to fraction form
    10,813.37/16,112.57 = 9,634.32/x
  3. Step 3: Cross multiply
    10,813.37x = 16,112.57 × 9,634.32
  4. Step 4: Simplify right side
    10,813.37x = 155,233,607.23
  5. Step 5: Solve for x
    x = 155,233,607.23/10,813.37
  6. Step 6: Final answer
    x = 14,355.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.