Home / 18,279.83-25,226.18-10,322.57

Finding the Fourth Proportional to 18,279.83, 25,226.18 and 10,322.57

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Solution

The fourth proportional to 18,279.83, 25,226.18 and 10,322.57 is: 14,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.83 : 25,226.18 = 10,322.57 : x
  2. Step 2: Convert to fraction form
    18,279.83/25,226.18 = 10,322.57/x
  3. Step 3: Cross multiply
    18,279.83x = 25,226.18 × 10,322.57
  4. Step 4: Simplify right side
    18,279.83x = 260,398,831.14
  5. Step 5: Solve for x
    x = 260,398,831.14/18,279.83
  6. Step 6: Final answer
    x = 14,245.15

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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.