Home / 10,953.14-16,427.42-3,160.13

Finding the Fourth Proportional to 10,953.14, 16,427.42 and 3,160.13

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Solution

The fourth proportional to 10,953.14, 16,427.42 and 3,160.13 is: 4,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,953.14 : 16,427.42 = 3,160.13 : x
  2. Step 2: Convert to fraction form
    10,953.14/16,427.42 = 3,160.13/x
  3. Step 3: Cross multiply
    10,953.14x = 16,427.42 × 3,160.13
  4. Step 4: Simplify right side
    10,953.14x = 51,912,696.68
  5. Step 5: Solve for x
    x = 51,912,696.68/10,953.14
  6. Step 6: Final answer
    x = 4,739.53

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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.