Home / 13,141.33-19,714.77-4,376.92

Finding the Fourth Proportional to 13,141.33, 19,714.77 and 4,376.92

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Solution

The fourth proportional to 13,141.33, 19,714.77 and 4,376.92 is: 6,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.33 : 19,714.77 = 4,376.92 : x
  2. Step 2: Convert to fraction form
    13,141.33/19,714.77 = 4,376.92/x
  3. Step 3: Cross multiply
    13,141.33x = 19,714.77 × 4,376.92
  4. Step 4: Simplify right side
    13,141.33x = 86,289,971.11
  5. Step 5: Solve for x
    x = 86,289,971.11/13,141.33
  6. Step 6: Final answer
    x = 6,566.30

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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.