Home / 18,740.25-25,861.55-10,356.75

Finding the Fourth Proportional to 18,740.25, 25,861.55 and 10,356.75

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Solution

The fourth proportional to 18,740.25, 25,861.55 and 10,356.75 is: 14,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.25 : 25,861.55 = 10,356.75 : x
  2. Step 2: Convert to fraction form
    18,740.25/25,861.55 = 10,356.75/x
  3. Step 3: Cross multiply
    18,740.25x = 25,861.55 × 10,356.75
  4. Step 4: Simplify right side
    18,740.25x = 267,841,556.18
  5. Step 5: Solve for x
    x = 267,841,556.18/18,740.25
  6. Step 6: Final answer
    x = 14,292.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.