Home / 17,564.61-26,357.31-6,479.09

Finding the Fourth Proportional to 17,564.61, 26,357.31 and 6,479.09

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Solution

The fourth proportional to 17,564.61, 26,357.31 and 6,479.09 is: 9,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,564.61 : 26,357.31 = 6,479.09 : x
  2. Step 2: Convert to fraction form
    17,564.61/26,357.31 = 6,479.09/x
  3. Step 3: Cross multiply
    17,564.61x = 26,357.31 × 6,479.09
  4. Step 4: Simplify right side
    17,564.61x = 170,771,383.65
  5. Step 5: Solve for x
    x = 170,771,383.65/17,564.61
  6. Step 6: Final answer
    x = 9,722.47

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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.