Home / 17,638.96-26,464.92-12,714.16

Finding the Fourth Proportional to 17,638.96, 26,464.92 and 12,714.16

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Solution

The fourth proportional to 17,638.96, 26,464.92 and 12,714.16 is: 19,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.96 : 26,464.92 = 12,714.16 : x
  2. Step 2: Convert to fraction form
    17,638.96/26,464.92 = 12,714.16/x
  3. Step 3: Cross multiply
    17,638.96x = 26,464.92 × 12,714.16
  4. Step 4: Simplify right side
    17,638.96x = 336,479,227.27
  5. Step 5: Solve for x
    x = 336,479,227.27/17,638.96
  6. Step 6: Final answer
    x = 19,075.91

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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.