Home / 17,349.56-26,020.43-7,980.57

Finding the Fourth Proportional to 17,349.56, 26,020.43 and 7,980.57

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Solution

The fourth proportional to 17,349.56, 26,020.43 and 7,980.57 is: 11,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,349.56 : 26,020.43 = 7,980.57 : x
  2. Step 2: Convert to fraction form
    17,349.56/26,020.43 = 7,980.57/x
  3. Step 3: Cross multiply
    17,349.56x = 26,020.43 × 7,980.57
  4. Step 4: Simplify right side
    17,349.56x = 207,657,883.00
  5. Step 5: Solve for x
    x = 207,657,883.00/17,349.56
  6. Step 6: Final answer
    x = 11,969.06

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Half scale
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Double scale
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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.