Home / 14,425.12-19,903.24-8,759.72

Finding the Fourth Proportional to 14,425.12, 19,903.24 and 8,759.72

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Solution

The fourth proportional to 14,425.12, 19,903.24 and 8,759.72 is: 12,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,425.12 : 19,903.24 = 8,759.72 : x
  2. Step 2: Convert to fraction form
    14,425.12/19,903.24 = 8,759.72/x
  3. Step 3: Cross multiply
    14,425.12x = 19,903.24 × 8,759.72
  4. Step 4: Simplify right side
    14,425.12x = 174,346,809.49
  5. Step 5: Solve for x
    x = 174,346,809.49/14,425.12
  6. Step 6: Final answer
    x = 12,086.33

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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.