Home / 18,279.60-25,225.64-10,322.16

Finding the Fourth Proportional to 18,279.60, 25,225.64 and 10,322.16

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Solution

The fourth proportional to 18,279.60, 25,225.64 and 10,322.16 is: 14,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.60 : 25,225.64 = 10,322.16 : x
  2. Step 2: Convert to fraction form
    18,279.60/25,225.64 = 10,322.16/x
  3. Step 3: Cross multiply
    18,279.60x = 25,225.64 × 10,322.16
  4. Step 4: Simplify right side
    18,279.60x = 260,383,092.18
  5. Step 5: Solve for x
    x = 260,383,092.18/18,279.60
  6. Step 6: Final answer
    x = 14,244.46

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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.