Home / 17,038.78-25,547.22-11,188.55

Finding the Fourth Proportional to 17,038.78, 25,547.22 and 11,188.55

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Solution

The fourth proportional to 17,038.78, 25,547.22 and 11,188.55 is: 16,775.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.78 : 25,547.22 = 11,188.55 : x
  2. Step 2: Convert to fraction form
    17,038.78/25,547.22 = 11,188.55/x
  3. Step 3: Cross multiply
    17,038.78x = 25,547.22 × 11,188.55
  4. Step 4: Simplify right side
    17,038.78x = 285,836,348.33
  5. Step 5: Solve for x
    x = 285,836,348.33/17,038.78
  6. Step 6: Final answer
    x = 16,775.63

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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.