Home / 10,908.65-16,362.97-3,117.46

Finding the Fourth Proportional to 10,908.65, 16,362.97 and 3,117.46

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Solution

The fourth proportional to 10,908.65, 16,362.97 and 3,117.46 is: 4,676.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.65 : 16,362.97 = 3,117.46 : x
  2. Step 2: Convert to fraction form
    10,908.65/16,362.97 = 3,117.46/x
  3. Step 3: Cross multiply
    10,908.65x = 16,362.97 × 3,117.46
  4. Step 4: Simplify right side
    10,908.65x = 51,010,904.46
  5. Step 5: Solve for x
    x = 51,010,904.46/10,908.65
  6. Step 6: Final answer
    x = 4,676.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.