Home / 12,462.56-17,160.32-11,669.28

Finding the Fourth Proportional to 12,462.56, 17,160.32 and 11,669.28

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Solution

The fourth proportional to 12,462.56, 17,160.32 and 11,669.28 is: 16,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.56 : 17,160.32 = 11,669.28 : x
  2. Step 2: Convert to fraction form
    12,462.56/17,160.32 = 11,669.28/x
  3. Step 3: Cross multiply
    12,462.56x = 17,160.32 × 11,669.28
  4. Step 4: Simplify right side
    12,462.56x = 200,248,578.97
  5. Step 5: Solve for x
    x = 200,248,578.97/12,462.56
  6. Step 6: Final answer
    x = 16,068.01

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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.