Home / 10,380.06-14,322.15-9,495.54

Finding the Fourth Proportional to 10,380.06, 14,322.15 and 9,495.54

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Solution

The fourth proportional to 10,380.06, 14,322.15 and 9,495.54 is: 13,101.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.06 : 14,322.15 = 9,495.54 : x
  2. Step 2: Convert to fraction form
    10,380.06/14,322.15 = 9,495.54/x
  3. Step 3: Cross multiply
    10,380.06x = 14,322.15 × 9,495.54
  4. Step 4: Simplify right side
    10,380.06x = 135,996,548.21
  5. Step 5: Solve for x
    x = 135,996,548.21/10,380.06
  6. Step 6: Final answer
    x = 13,101.71

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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.