Home / 17,858.44-26,768.20-12,000.52

Finding the Fourth Proportional to 17,858.44, 26,768.20 and 12,000.52

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Solution

The fourth proportional to 17,858.44, 26,768.20 and 12,000.52 is: 17,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.44 : 26,768.20 = 12,000.52 : x
  2. Step 2: Convert to fraction form
    17,858.44/26,768.20 = 12,000.52/x
  3. Step 3: Cross multiply
    17,858.44x = 26,768.20 × 12,000.52
  4. Step 4: Simplify right side
    17,858.44x = 321,232,319.46
  5. Step 5: Solve for x
    x = 321,232,319.46/17,858.44
  6. Step 6: Final answer
    x = 17,987.70

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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.