Home / 13,903.54-20,858.10-6,112.36

Finding the Fourth Proportional to 13,903.54, 20,858.10 and 6,112.36

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Solution

The fourth proportional to 13,903.54, 20,858.10 and 6,112.36 is: 9,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,903.54 : 20,858.10 = 6,112.36 : x
  2. Step 2: Convert to fraction form
    13,903.54/20,858.10 = 6,112.36/x
  3. Step 3: Cross multiply
    13,903.54x = 20,858.10 × 6,112.36
  4. Step 4: Simplify right side
    13,903.54x = 127,492,216.12
  5. Step 5: Solve for x
    x = 127,492,216.12/13,903.54
  6. Step 6: Final answer
    x = 9,169.77

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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.