Home / 20,377.24-30,554.34-12,058.36

Finding the Fourth Proportional to 20,377.24, 30,554.34 and 12,058.36

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Solution

The fourth proportional to 20,377.24, 30,554.34 and 12,058.36 is: 18,080.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,377.24 : 30,554.34 = 12,058.36 : x
  2. Step 2: Convert to fraction form
    20,377.24/30,554.34 = 12,058.36/x
  3. Step 3: Cross multiply
    20,377.24x = 30,554.34 × 12,058.36
  4. Step 4: Simplify right side
    20,377.24x = 368,435,231.28
  5. Step 5: Solve for x
    x = 368,435,231.28/20,377.24
  6. Step 6: Final answer
    x = 18,080.72

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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.