Home / 13,003.44-19,488.72-6,427.86

Finding the Fourth Proportional to 13,003.44, 19,488.72 and 6,427.86

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Solution

The fourth proportional to 13,003.44, 19,488.72 and 6,427.86 is: 9,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.44 : 19,488.72 = 6,427.86 : x
  2. Step 2: Convert to fraction form
    13,003.44/19,488.72 = 6,427.86/x
  3. Step 3: Cross multiply
    13,003.44x = 19,488.72 × 6,427.86
  4. Step 4: Simplify right side
    13,003.44x = 125,270,763.74
  5. Step 5: Solve for x
    x = 125,270,763.74/13,003.44
  6. Step 6: Final answer
    x = 9,633.66

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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.