Home / 18,726.50-25,842.57-10,343.54

Finding the Fourth Proportional to 18,726.50, 25,842.57 and 10,343.54

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Solution

The fourth proportional to 18,726.50, 25,842.57 and 10,343.54 is: 14,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.50 : 25,842.57 = 10,343.54 : x
  2. Step 2: Convert to fraction form
    18,726.50/25,842.57 = 10,343.54/x
  3. Step 3: Cross multiply
    18,726.50x = 25,842.57 × 10,343.54
  4. Step 4: Simplify right side
    18,726.50x = 267,303,656.50
  5. Step 5: Solve for x
    x = 267,303,656.50/18,726.50
  6. Step 6: Final answer
    x = 14,274.09

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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.