Home / 18,278.67-25,224.42-10,322.46

Finding the Fourth Proportional to 18,278.67, 25,224.42 and 10,322.46

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Solution

The fourth proportional to 18,278.67, 25,224.42 and 10,322.46 is: 14,244.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278.67 : 25,224.42 = 10,322.46 : x
  2. Step 2: Convert to fraction form
    18,278.67/25,224.42 = 10,322.46/x
  3. Step 3: Cross multiply
    18,278.67x = 25,224.42 × 10,322.46
  4. Step 4: Simplify right side
    18,278.67x = 260,378,066.47
  5. Step 5: Solve for x
    x = 260,378,066.47/18,278.67
  6. Step 6: Final answer
    x = 14,244.91

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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.