Home / 16,679.62-25,031.73-13,431.93

Finding the Fourth Proportional to 16,679.62, 25,031.73 and 13,431.93

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Solution

The fourth proportional to 16,679.62, 25,031.73 and 13,431.93 is: 20,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.62 : 25,031.73 = 13,431.93 : x
  2. Step 2: Convert to fraction form
    16,679.62/25,031.73 = 13,431.93/x
  3. Step 3: Cross multiply
    16,679.62x = 25,031.73 × 13,431.93
  4. Step 4: Simplify right side
    16,679.62x = 336,224,445.14
  5. Step 5: Solve for x
    x = 336,224,445.14/16,679.62
  6. Step 6: Final answer
    x = 20,157.80

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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.