Home / 12,936.60-19,361.16-10,749.60

Finding the Fourth Proportional to 12,936.60, 19,361.16 and 10,749.60

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Solution

The fourth proportional to 12,936.60, 19,361.16 and 10,749.60 is: 16,088.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936.60 : 19,361.16 = 10,749.60 : x
  2. Step 2: Convert to fraction form
    12,936.60/19,361.16 = 10,749.60/x
  3. Step 3: Cross multiply
    12,936.60x = 19,361.16 × 10,749.60
  4. Step 4: Simplify right side
    12,936.60x = 208,124,725.54
  5. Step 5: Solve for x
    x = 208,124,725.54/12,936.60
  6. Step 6: Final answer
    x = 16,088.05

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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.