Home / 11,897.19-16,418.34-6,860.57

Finding the Fourth Proportional to 11,897.19, 16,418.34 and 6,860.57

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Solution

The fourth proportional to 11,897.19, 16,418.34 and 6,860.57 is: 9,467.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.19 : 16,418.34 = 6,860.57 : x
  2. Step 2: Convert to fraction form
    11,897.19/16,418.34 = 6,860.57/x
  3. Step 3: Cross multiply
    11,897.19x = 16,418.34 × 6,860.57
  4. Step 4: Simplify right side
    11,897.19x = 112,639,088.76
  5. Step 5: Solve for x
    x = 112,639,088.76/11,897.19
  6. Step 6: Final answer
    x = 9,467.71

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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.