Home / 14,179.64-19,561.30-9,145.46

Finding the Fourth Proportional to 14,179.64, 19,561.30 and 9,145.46

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Solution

The fourth proportional to 14,179.64, 19,561.30 and 9,145.46 is: 12,616.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,179.64 : 19,561.30 = 9,145.46 : x
  2. Step 2: Convert to fraction form
    14,179.64/19,561.30 = 9,145.46/x
  3. Step 3: Cross multiply
    14,179.64x = 19,561.30 × 9,145.46
  4. Step 4: Simplify right side
    14,179.64x = 178,897,112.74
  5. Step 5: Solve for x
    x = 178,897,112.74/14,179.64
  6. Step 6: Final answer
    x = 12,616.48

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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.