Home / 12,030.35-18,048.26-5,458.41

Finding the Fourth Proportional to 12,030.35, 18,048.26 and 5,458.41

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Solution

The fourth proportional to 12,030.35, 18,048.26 and 5,458.41 is: 8,188.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030.35 : 18,048.26 = 5,458.41 : x
  2. Step 2: Convert to fraction form
    12,030.35/18,048.26 = 5,458.41/x
  3. Step 3: Cross multiply
    12,030.35x = 18,048.26 × 5,458.41
  4. Step 4: Simplify right side
    12,030.35x = 98,514,775.57
  5. Step 5: Solve for x
    x = 98,514,775.57/12,030.35
  6. Step 6: Final answer
    x = 8,188.86

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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.