Home / 13,441.06-20,142.47-9,903.25

Finding the Fourth Proportional to 13,441.06, 20,142.47 and 9,903.25

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Solution

The fourth proportional to 13,441.06, 20,142.47 and 9,903.25 is: 14,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.06 : 20,142.47 = 9,903.25 : x
  2. Step 2: Convert to fraction form
    13,441.06/20,142.47 = 9,903.25/x
  3. Step 3: Cross multiply
    13,441.06x = 20,142.47 × 9,903.25
  4. Step 4: Simplify right side
    13,441.06x = 199,475,852.66
  5. Step 5: Solve for x
    x = 199,475,852.66/13,441.06
  6. Step 6: Final answer
    x = 14,840.79

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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.