Home / 18,385.06-25,371.82-10,427.82

Finding the Fourth Proportional to 18,385.06, 25,371.82 and 10,427.82

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Solution

The fourth proportional to 18,385.06, 25,371.82 and 10,427.82 is: 14,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.06 : 25,371.82 = 10,427.82 : x
  2. Step 2: Convert to fraction form
    18,385.06/25,371.82 = 10,427.82/x
  3. Step 3: Cross multiply
    18,385.06x = 25,371.82 × 10,427.82
  4. Step 4: Simplify right side
    18,385.06x = 264,572,772.03
  5. Step 5: Solve for x
    x = 264,572,772.03/18,385.06
  6. Step 6: Final answer
    x = 14,390.64

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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.