Home / 17,905.32-26,872.56-12,724.56

Finding the Fourth Proportional to 17,905.32, 26,872.56 and 12,724.56

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Solution

The fourth proportional to 17,905.32, 26,872.56 and 12,724.56 is: 19,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.32 : 26,872.56 = 12,724.56 : x
  2. Step 2: Convert to fraction form
    17,905.32/26,872.56 = 12,724.56/x
  3. Step 3: Cross multiply
    17,905.32x = 26,872.56 × 12,724.56
  4. Step 4: Simplify right side
    17,905.32x = 341,941,502.07
  5. Step 5: Solve for x
    x = 341,941,502.07/17,905.32
  6. Step 6: Final answer
    x = 19,097.20

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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.