Home / 19,158.94-28,735.98-14,235.76

Finding the Fourth Proportional to 19,158.94, 28,735.98 and 14,235.76

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Solution

The fourth proportional to 19,158.94, 28,735.98 and 14,235.76 is: 21,351.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,158.94 : 28,735.98 = 14,235.76 : x
  2. Step 2: Convert to fraction form
    19,158.94/28,735.98 = 14,235.76/x
  3. Step 3: Cross multiply
    19,158.94x = 28,735.98 × 14,235.76
  4. Step 4: Simplify right side
    19,158.94x = 409,078,514.64
  5. Step 5: Solve for x
    x = 409,078,514.64/19,158.94
  6. Step 6: Final answer
    x = 21,351.83

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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.