Home / 12,677.28-19,015.20-6,744.96

Finding the Fourth Proportional to 12,677.28, 19,015.20 and 6,744.96

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Solution

The fourth proportional to 12,677.28, 19,015.20 and 6,744.96 is: 10,117.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,677.28 : 19,015.20 = 6,744.96 : x
  2. Step 2: Convert to fraction form
    12,677.28/19,015.20 = 6,744.96/x
  3. Step 3: Cross multiply
    12,677.28x = 19,015.20 × 6,744.96
  4. Step 4: Simplify right side
    12,677.28x = 128,256,763.39
  5. Step 5: Solve for x
    x = 128,256,763.39/12,677.28
  6. Step 6: Final answer
    x = 10,117.06

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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.