Home / 13,475.32-18,584.94-11,313.52

Finding the Fourth Proportional to 13,475.32, 18,584.94 and 11,313.52

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Solution

The fourth proportional to 13,475.32, 18,584.94 and 11,313.52 is: 15,603.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.32 : 18,584.94 = 11,313.52 : x
  2. Step 2: Convert to fraction form
    13,475.32/18,584.94 = 11,313.52/x
  3. Step 3: Cross multiply
    13,475.32x = 18,584.94 × 11,313.52
  4. Step 4: Simplify right side
    13,475.32x = 210,261,090.39
  5. Step 5: Solve for x
    x = 210,261,090.39/13,475.32
  6. Step 6: Final answer
    x = 15,603.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.