Home / 17,455.42-26,159.53-12,514.15

Finding the Fourth Proportional to 17,455.42, 26,159.53 and 12,514.15

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Solution

The fourth proportional to 17,455.42, 26,159.53 and 12,514.15 is: 18,754.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,455.42 : 26,159.53 = 12,514.15 : x
  2. Step 2: Convert to fraction form
    17,455.42/26,159.53 = 12,514.15/x
  3. Step 3: Cross multiply
    17,455.42x = 26,159.53 × 12,514.15
  4. Step 4: Simplify right side
    17,455.42x = 327,364,282.35
  5. Step 5: Solve for x
    x = 327,364,282.35/17,455.42
  6. Step 6: Final answer
    x = 18,754.31

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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.