Home / 17,161.80-25,751.51-13,000.42

Finding the Fourth Proportional to 17,161.80, 25,751.51 and 13,000.42

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Solution

The fourth proportional to 17,161.80, 25,751.51 and 13,000.42 is: 19,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.80 : 25,751.51 = 13,000.42 : x
  2. Step 2: Convert to fraction form
    17,161.80/25,751.51 = 13,000.42/x
  3. Step 3: Cross multiply
    17,161.80x = 25,751.51 × 13,000.42
  4. Step 4: Simplify right side
    17,161.80x = 334,780,445.63
  5. Step 5: Solve for x
    x = 334,780,445.63/17,161.80
  6. Step 6: Final answer
    x = 19,507.30

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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.