Home / 13,257.60-19,890.72-5,863.92

Finding the Fourth Proportional to 13,257.60, 19,890.72 and 5,863.92

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Solution

The fourth proportional to 13,257.60, 19,890.72 and 5,863.92 is: 8,797.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257.60 : 19,890.72 = 5,863.92 : x
  2. Step 2: Convert to fraction form
    13,257.60/19,890.72 = 5,863.92/x
  3. Step 3: Cross multiply
    13,257.60x = 19,890.72 × 5,863.92
  4. Step 4: Simplify right side
    13,257.60x = 116,637,590.82
  5. Step 5: Solve for x
    x = 116,637,590.82/13,257.60
  6. Step 6: Final answer
    x = 8,797.79

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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.