Home / 18,635.48-25,717.07-10,137.68

Finding the Fourth Proportional to 18,635.48, 25,717.07 and 10,137.68

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Solution

The fourth proportional to 18,635.48, 25,717.07 and 10,137.68 is: 13,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.48 : 25,717.07 = 10,137.68 : x
  2. Step 2: Convert to fraction form
    18,635.48/25,717.07 = 10,137.68/x
  3. Step 3: Cross multiply
    18,635.48x = 25,717.07 × 10,137.68
  4. Step 4: Simplify right side
    18,635.48x = 260,711,426.20
  5. Step 5: Solve for x
    x = 260,711,426.20/18,635.48
  6. Step 6: Final answer
    x = 13,990.06

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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.