Home / 12,386.96-17,052.32-10,731.36

Finding the Fourth Proportional to 12,386.96, 17,052.32 and 10,731.36

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Solution

The fourth proportional to 12,386.96, 17,052.32 and 10,731.36 is: 14,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,386.96 : 17,052.32 = 10,731.36 : x
  2. Step 2: Convert to fraction form
    12,386.96/17,052.32 = 10,731.36/x
  3. Step 3: Cross multiply
    12,386.96x = 17,052.32 × 10,731.36
  4. Step 4: Simplify right side
    12,386.96x = 182,994,584.76
  5. Step 5: Solve for x
    x = 182,994,584.76/12,386.96
  6. Step 6: Final answer
    x = 14,773.16

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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.