Home / 19,409.34-26,784.66-10,912.88

Finding the Fourth Proportional to 19,409.34, 26,784.66 and 10,912.88

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Solution

The fourth proportional to 19,409.34, 26,784.66 and 10,912.88 is: 15,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.34 : 26,784.66 = 10,912.88 : x
  2. Step 2: Convert to fraction form
    19,409.34/26,784.66 = 10,912.88/x
  3. Step 3: Cross multiply
    19,409.34x = 26,784.66 × 10,912.88
  4. Step 4: Simplify right side
    19,409.34x = 292,297,780.42
  5. Step 5: Solve for x
    x = 292,297,780.42/19,409.34
  6. Step 6: Final answer
    x = 15,059.65

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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.