Home / 18,836.50-25,995.18-10,453

Finding the Fourth Proportional to 18,836.50, 25,995.18 and 10,453

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Solution

The fourth proportional to 18,836.50, 25,995.18 and 10,453 is: 14,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.50 : 25,995.18 = 10,453 : x
  2. Step 2: Convert to fraction form
    18,836.50/25,995.18 = 10,453/x
  3. Step 3: Cross multiply
    18,836.50x = 25,995.18 × 10,453
  4. Step 4: Simplify right side
    18,836.50x = 271,727,616.54
  5. Step 5: Solve for x
    x = 271,727,616.54/18,836.50
  6. Step 6: Final answer
    x = 14,425.59

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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.