Home / 19,086.28-28,637.28-10,310.84

Finding the Fourth Proportional to 19,086.28, 28,637.28 and 10,310.84

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Solution

The fourth proportional to 19,086.28, 28,637.28 and 10,310.84 is: 15,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.28 : 28,637.28 = 10,310.84 : x
  2. Step 2: Convert to fraction form
    19,086.28/28,637.28 = 10,310.84/x
  3. Step 3: Cross multiply
    19,086.28x = 28,637.28 × 10,310.84
  4. Step 4: Simplify right side
    19,086.28x = 295,274,412.12
  5. Step 5: Solve for x
    x = 295,274,412.12/19,086.28
  6. Step 6: Final answer
    x = 15,470.51

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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.