Home / 18,738.54-25,858.17-10,354.50

Finding the Fourth Proportional to 18,738.54, 25,858.17 and 10,354.50

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Solution

The fourth proportional to 18,738.54, 25,858.17 and 10,354.50 is: 14,288.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,738.54 : 25,858.17 = 10,354.50 : x
  2. Step 2: Convert to fraction form
    18,738.54/25,858.17 = 10,354.50/x
  3. Step 3: Cross multiply
    18,738.54x = 25,858.17 × 10,354.50
  4. Step 4: Simplify right side
    18,738.54x = 267,748,421.27
  5. Step 5: Solve for x
    x = 267,748,421.27/18,738.54
  6. Step 6: Final answer
    x = 14,288.65

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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.