Home / 11,929.14-16,461.90-6,623.82

Finding the Fourth Proportional to 11,929.14, 16,461.90 and 6,623.82

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Solution

The fourth proportional to 11,929.14, 16,461.90 and 6,623.82 is: 9,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,929.14 : 16,461.90 = 6,623.82 : x
  2. Step 2: Convert to fraction form
    11,929.14/16,461.90 = 6,623.82/x
  3. Step 3: Cross multiply
    11,929.14x = 16,461.90 × 6,623.82
  4. Step 4: Simplify right side
    11,929.14x = 109,040,662.46
  5. Step 5: Solve for x
    x = 109,040,662.46/11,929.14
  6. Step 6: Final answer
    x = 9,140.70

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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.