Home / 19,079.70-26,330.67-11,120.64

Finding the Fourth Proportional to 19,079.70, 26,330.67 and 11,120.64

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Solution

The fourth proportional to 19,079.70, 26,330.67 and 11,120.64 is: 15,346.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.70 : 26,330.67 = 11,120.64 : x
  2. Step 2: Convert to fraction form
    19,079.70/26,330.67 = 11,120.64/x
  3. Step 3: Cross multiply
    19,079.70x = 26,330.67 × 11,120.64
  4. Step 4: Simplify right side
    19,079.70x = 292,813,902.03
  5. Step 5: Solve for x
    x = 292,813,902.03/19,079.70
  6. Step 6: Final answer
    x = 15,346.88

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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.