Home / 12,525.27-17,192.75-11,077.21

Finding the Fourth Proportional to 12,525.27, 17,192.75 and 11,077.21

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Solution

The fourth proportional to 12,525.27, 17,192.75 and 11,077.21 is: 15,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,525.27 : 17,192.75 = 11,077.21 : x
  2. Step 2: Convert to fraction form
    12,525.27/17,192.75 = 11,077.21/x
  3. Step 3: Cross multiply
    12,525.27x = 17,192.75 × 11,077.21
  4. Step 4: Simplify right side
    12,525.27x = 190,447,702.23
  5. Step 5: Solve for x
    x = 190,447,702.23/12,525.27
  6. Step 6: Final answer
    x = 15,205.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.