Home / 18,732.63-25,851.77-10,774.84

Finding the Fourth Proportional to 18,732.63, 25,851.77 and 10,774.84

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Solution

The fourth proportional to 18,732.63, 25,851.77 and 10,774.84 is: 14,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.63 : 25,851.77 = 10,774.84 : x
  2. Step 2: Convert to fraction form
    18,732.63/25,851.77 = 10,774.84/x
  3. Step 3: Cross multiply
    18,732.63x = 25,851.77 × 10,774.84
  4. Step 4: Simplify right side
    18,732.63x = 278,548,685.47
  5. Step 5: Solve for x
    x = 278,548,685.47/18,732.63
  6. Step 6: Final answer
    x = 14,869.71

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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.