Home / 17,112.61-25,670.54-5,427.55

Finding the Fourth Proportional to 17,112.61, 25,670.54 and 5,427.55

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Solution

The fourth proportional to 17,112.61, 25,670.54 and 5,427.55 is: 8,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.61 : 25,670.54 = 5,427.55 : x
  2. Step 2: Convert to fraction form
    17,112.61/25,670.54 = 5,427.55/x
  3. Step 3: Cross multiply
    17,112.61x = 25,670.54 × 5,427.55
  4. Step 4: Simplify right side
    17,112.61x = 139,328,139.38
  5. Step 5: Solve for x
    x = 139,328,139.38/17,112.61
  6. Step 6: Final answer
    x = 8,141.84

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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.