Home / 12,727.32-19,063.35-7,177.74

Finding the Fourth Proportional to 12,727.32, 19,063.35 and 7,177.74

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Solution

The fourth proportional to 12,727.32, 19,063.35 and 7,177.74 is: 10,751.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.32 : 19,063.35 = 7,177.74 : x
  2. Step 2: Convert to fraction form
    12,727.32/19,063.35 = 7,177.74/x
  3. Step 3: Cross multiply
    12,727.32x = 19,063.35 × 7,177.74
  4. Step 4: Simplify right side
    12,727.32x = 136,831,769.83
  5. Step 5: Solve for x
    x = 136,831,769.83/12,727.32
  6. Step 6: Final answer
    x = 10,751.03

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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.