Home / 17,165.48-25,751.90-5,319.00

Finding the Fourth Proportional to 17,165.48, 25,751.90 and 5,319.00

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Solution

The fourth proportional to 17,165.48, 25,751.90 and 5,319.00 is: 7,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.48 : 25,751.90 = 5,319.00 : x
  2. Step 2: Convert to fraction form
    17,165.48/25,751.90 = 5,319.00/x
  3. Step 3: Cross multiply
    17,165.48x = 25,751.90 × 5,319.00
  4. Step 4: Simplify right side
    17,165.48x = 136,974,272.83
  5. Step 5: Solve for x
    x = 136,974,272.83/17,165.48
  6. Step 6: Final answer
    x = 7,979.63

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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.