Home / 18,724.68-25,810.20-14,739.48

Finding the Fourth Proportional to 18,724.68, 25,810.20 and 14,739.48

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Solution

The fourth proportional to 18,724.68, 25,810.20 and 14,739.48 is: 20,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,724.68 : 25,810.20 = 14,739.48 : x
  2. Step 2: Convert to fraction form
    18,724.68/25,810.20 = 14,739.48/x
  3. Step 3: Cross multiply
    18,724.68x = 25,810.20 × 14,739.48
  4. Step 4: Simplify right side
    18,724.68x = 380,428,926.70
  5. Step 5: Solve for x
    x = 380,428,926.70/18,724.68
  6. Step 6: Final answer
    x = 20,316.98

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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.