Home / 17,217.63-25,789.73-8,319.51

Finding the Fourth Proportional to 17,217.63, 25,789.73 and 8,319.51

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Solution

The fourth proportional to 17,217.63, 25,789.73 and 8,319.51 is: 12,461.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.63 : 25,789.73 = 8,319.51 : x
  2. Step 2: Convert to fraction form
    17,217.63/25,789.73 = 8,319.51/x
  3. Step 3: Cross multiply
    17,217.63x = 25,789.73 × 8,319.51
  4. Step 4: Simplify right side
    17,217.63x = 214,557,875.03
  5. Step 5: Solve for x
    x = 214,557,875.03/17,217.63
  6. Step 6: Final answer
    x = 12,461.52

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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.