Home / 17,171.63-25,754.40-7,809.45

Finding the Fourth Proportional to 17,171.63, 25,754.40 and 7,809.45

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Solution

The fourth proportional to 17,171.63, 25,754.40 and 7,809.45 is: 11,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,171.63 : 25,754.40 = 7,809.45 : x
  2. Step 2: Convert to fraction form
    17,171.63/25,754.40 = 7,809.45/x
  3. Step 3: Cross multiply
    17,171.63x = 25,754.40 × 7,809.45
  4. Step 4: Simplify right side
    17,171.63x = 201,127,699.08
  5. Step 5: Solve for x
    x = 201,127,699.08/17,171.63
  6. Step 6: Final answer
    x = 11,712.79

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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.