Home / 18,786.58-28,180.74-10,460.33

Finding the Fourth Proportional to 18,786.58, 28,180.74 and 10,460.33

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Solution

The fourth proportional to 18,786.58, 28,180.74 and 10,460.33 is: 15,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,786.58 : 28,180.74 = 10,460.33 : x
  2. Step 2: Convert to fraction form
    18,786.58/28,180.74 = 10,460.33/x
  3. Step 3: Cross multiply
    18,786.58x = 28,180.74 × 10,460.33
  4. Step 4: Simplify right side
    18,786.58x = 294,779,840.04
  5. Step 5: Solve for x
    x = 294,779,840.04/18,786.58
  6. Step 6: Final answer
    x = 15,690.98

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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.