Home / 11,208.49-15,467.59-6,172.61

Finding the Fourth Proportional to 11,208.49, 15,467.59 and 6,172.61

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Solution

The fourth proportional to 11,208.49, 15,467.59 and 6,172.61 is: 8,518.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.49 : 15,467.59 = 6,172.61 : x
  2. Step 2: Convert to fraction form
    11,208.49/15,467.59 = 6,172.61/x
  3. Step 3: Cross multiply
    11,208.49x = 15,467.59 × 6,172.61
  4. Step 4: Simplify right side
    11,208.49x = 95,475,400.71
  5. Step 5: Solve for x
    x = 95,475,400.71/11,208.49
  6. Step 6: Final answer
    x = 8,518.13

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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.