Home / 18,769.50-25,901.91-10,387.26

Finding the Fourth Proportional to 18,769.50, 25,901.91 and 10,387.26

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Solution

The fourth proportional to 18,769.50, 25,901.91 and 10,387.26 is: 14,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,769.50 : 25,901.91 = 10,387.26 : x
  2. Step 2: Convert to fraction form
    18,769.50/25,901.91 = 10,387.26/x
  3. Step 3: Cross multiply
    18,769.50x = 25,901.91 × 10,387.26
  4. Step 4: Simplify right side
    18,769.50x = 269,049,873.67
  5. Step 5: Solve for x
    x = 269,049,873.67/18,769.50
  6. Step 6: Final answer
    x = 14,334.42

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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.