Home / 18,274.28-25,218.41-10,316.43

Finding the Fourth Proportional to 18,274.28, 25,218.41 and 10,316.43

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Solution

The fourth proportional to 18,274.28, 25,218.41 and 10,316.43 is: 14,236.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,274.28 : 25,218.41 = 10,316.43 : x
  2. Step 2: Convert to fraction form
    18,274.28/25,218.41 = 10,316.43/x
  3. Step 3: Cross multiply
    18,274.28x = 25,218.41 × 10,316.43
  4. Step 4: Simplify right side
    18,274.28x = 260,163,909.89
  5. Step 5: Solve for x
    x = 260,163,909.89/18,274.28
  6. Step 6: Final answer
    x = 14,236.62

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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.