Home / 18,740.16-25,861.68-10,784.34

Finding the Fourth Proportional to 18,740.16, 25,861.68 and 10,784.34

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Solution

The fourth proportional to 18,740.16, 25,861.68 and 10,784.34 is: 14,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.16 : 25,861.68 = 10,784.34 : x
  2. Step 2: Convert to fraction form
    18,740.16/25,861.68 = 10,784.34/x
  3. Step 3: Cross multiply
    18,740.16x = 25,861.68 × 10,784.34
  4. Step 4: Simplify right side
    18,740.16x = 278,901,150.09
  5. Step 5: Solve for x
    x = 278,901,150.09/18,740.16
  6. Step 6: Final answer
    x = 14,882.54

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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.