Home / 17,126.90-25,690.34-7,259.26

Finding the Fourth Proportional to 17,126.90, 25,690.34 and 7,259.26

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Solution

The fourth proportional to 17,126.90, 25,690.34 and 7,259.26 is: 10,888.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.90 : 25,690.34 = 7,259.26 : x
  2. Step 2: Convert to fraction form
    17,126.90/25,690.34 = 7,259.26/x
  3. Step 3: Cross multiply
    17,126.90x = 25,690.34 × 7,259.26
  4. Step 4: Simplify right side
    17,126.90x = 186,492,857.55
  5. Step 5: Solve for x
    x = 186,492,857.55/17,126.90
  6. Step 6: Final answer
    x = 10,888.89

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Similar ratio
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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.