Home / 17,760.26-26,641.70-5,109.51

Finding the Fourth Proportional to 17,760.26, 26,641.70 and 5,109.51

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Solution

The fourth proportional to 17,760.26, 26,641.70 and 5,109.51 is: 7,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.26 : 26,641.70 = 5,109.51 : x
  2. Step 2: Convert to fraction form
    17,760.26/26,641.70 = 5,109.51/x
  3. Step 3: Cross multiply
    17,760.26x = 26,641.70 × 5,109.51
  4. Step 4: Simplify right side
    17,760.26x = 136,125,915.67
  5. Step 5: Solve for x
    x = 136,125,915.67/17,760.26
  6. Step 6: Final answer
    x = 7,664.63

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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.