Home / 14,447.28-19,945.84-9,146.64

Finding the Fourth Proportional to 14,447.28, 19,945.84 and 9,146.64

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Solution

The fourth proportional to 14,447.28, 19,945.84 and 9,146.64 is: 12,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,447.28 : 19,945.84 = 9,146.64 : x
  2. Step 2: Convert to fraction form
    14,447.28/19,945.84 = 9,146.64/x
  3. Step 3: Cross multiply
    14,447.28x = 19,945.84 × 9,146.64
  4. Step 4: Simplify right side
    14,447.28x = 182,437,417.98
  5. Step 5: Solve for x
    x = 182,437,417.98/14,447.28
  6. Step 6: Final answer
    x = 12,627.80

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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.