Home / 12,669.99-17,475.08-11,236.03

Finding the Fourth Proportional to 12,669.99, 17,475.08 and 11,236.03

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Solution

The fourth proportional to 12,669.99, 17,475.08 and 11,236.03 is: 15,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.99 : 17,475.08 = 11,236.03 : x
  2. Step 2: Convert to fraction form
    12,669.99/17,475.08 = 11,236.03/x
  3. Step 3: Cross multiply
    12,669.99x = 17,475.08 × 11,236.03
  4. Step 4: Simplify right side
    12,669.99x = 196,350,423.26
  5. Step 5: Solve for x
    x = 196,350,423.26/12,669.99
  6. Step 6: Final answer
    x = 15,497.29

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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.