Home / 18,279.72-25,225.80-10,322.28

Finding the Fourth Proportional to 18,279.72, 25,225.80 and 10,322.28

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Solution

The fourth proportional to 18,279.72, 25,225.80 and 10,322.28 is: 14,244.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.72 : 25,225.80 = 10,322.28 : x
  2. Step 2: Convert to fraction form
    18,279.72/25,225.80 = 10,322.28/x
  3. Step 3: Cross multiply
    18,279.72x = 25,225.80 × 10,322.28
  4. Step 4: Simplify right side
    18,279.72x = 260,387,770.82
  5. Step 5: Solve for x
    x = 260,387,770.82/18,279.72
  6. Step 6: Final answer
    x = 14,244.63

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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.