Home / 12,770.71-19,158.58-4,451.00

Finding the Fourth Proportional to 12,770.71, 19,158.58 and 4,451.00

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Solution

The fourth proportional to 12,770.71, 19,158.58 and 4,451.00 is: 6,677.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.71 : 19,158.58 = 4,451.00 : x
  2. Step 2: Convert to fraction form
    12,770.71/19,158.58 = 4,451.00/x
  3. Step 3: Cross multiply
    12,770.71x = 19,158.58 × 4,451.00
  4. Step 4: Simplify right side
    12,770.71x = 85,274,832.08
  5. Step 5: Solve for x
    x = 85,274,832.08/12,770.71
  6. Step 6: Final answer
    x = 6,677.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.