Home / 14,201.25-19,577.23-9,939.12

Finding the Fourth Proportional to 14,201.25, 19,577.23 and 9,939.12

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Solution

The fourth proportional to 14,201.25, 19,577.23 and 9,939.12 is: 13,701.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,201.25 : 19,577.23 = 9,939.12 : x
  2. Step 2: Convert to fraction form
    14,201.25/19,577.23 = 9,939.12/x
  3. Step 3: Cross multiply
    14,201.25x = 19,577.23 × 9,939.12
  4. Step 4: Simplify right side
    14,201.25x = 194,580,438.24
  5. Step 5: Solve for x
    x = 194,580,438.24/14,201.25
  6. Step 6: Final answer
    x = 13,701.64

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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.