Home / 19,395.42-26,765.72-11,011.92

Finding the Fourth Proportional to 19,395.42, 26,765.72 and 11,011.92

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Solution

The fourth proportional to 19,395.42, 26,765.72 and 11,011.92 is: 15,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.42 : 26,765.72 = 11,011.92 : x
  2. Step 2: Convert to fraction form
    19,395.42/26,765.72 = 11,011.92/x
  3. Step 3: Cross multiply
    19,395.42x = 26,765.72 × 11,011.92
  4. Step 4: Simplify right side
    19,395.42x = 294,741,912.32
  5. Step 5: Solve for x
    x = 294,741,912.32/19,395.42
  6. Step 6: Final answer
    x = 15,196.47

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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.