Home / 19,276.76-26,591.67-11,725.40

Finding the Fourth Proportional to 19,276.76, 26,591.67 and 11,725.40

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Solution

The fourth proportional to 19,276.76, 26,591.67 and 11,725.40 is: 16,174.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.76 : 26,591.67 = 11,725.40 : x
  2. Step 2: Convert to fraction form
    19,276.76/26,591.67 = 11,725.40/x
  3. Step 3: Cross multiply
    19,276.76x = 26,591.67 × 11,725.40
  4. Step 4: Simplify right side
    19,276.76x = 311,797,967.42
  5. Step 5: Solve for x
    x = 311,797,967.42/19,276.76
  6. Step 6: Final answer
    x = 16,174.81

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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.