Home / 13,141.10-19,714.80-4,376.09

Finding the Fourth Proportional to 13,141.10, 19,714.80 and 4,376.09

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Solution

The fourth proportional to 13,141.10, 19,714.80 and 4,376.09 is: 6,565.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.10 : 19,714.80 = 4,376.09 : x
  2. Step 2: Convert to fraction form
    13,141.10/19,714.80 = 4,376.09/x
  3. Step 3: Cross multiply
    13,141.10x = 19,714.80 × 4,376.09
  4. Step 4: Simplify right side
    13,141.10x = 86,273,739.13
  5. Step 5: Solve for x
    x = 86,273,739.13/13,141.10
  6. Step 6: Final answer
    x = 6,565.18

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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.