Home / 13,619.58-20,393.72-8,924.82

Finding the Fourth Proportional to 13,619.58, 20,393.72 and 8,924.82

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Solution

The fourth proportional to 13,619.58, 20,393.72 and 8,924.82 is: 13,363.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.58 : 20,393.72 = 8,924.82 : x
  2. Step 2: Convert to fraction form
    13,619.58/20,393.72 = 8,924.82/x
  3. Step 3: Cross multiply
    13,619.58x = 20,393.72 × 8,924.82
  4. Step 4: Simplify right side
    13,619.58x = 182,010,280.13
  5. Step 5: Solve for x
    x = 182,010,280.13/13,619.58
  6. Step 6: Final answer
    x = 13,363.87

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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.