Home / 15,277.32-21,054.06-12,249

Finding the Fourth Proportional to 15,277.32, 21,054.06 and 12,249

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Solution

The fourth proportional to 15,277.32, 21,054.06 and 12,249 is: 16,880.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,277.32 : 21,054.06 = 12,249 : x
  2. Step 2: Convert to fraction form
    15,277.32/21,054.06 = 12,249/x
  3. Step 3: Cross multiply
    15,277.32x = 21,054.06 × 12,249
  4. Step 4: Simplify right side
    15,277.32x = 257,891,180.94
  5. Step 5: Solve for x
    x = 257,891,180.94/15,277.32
  6. Step 6: Final answer
    x = 16,880.66

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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.