Home / 17,905.08-26,882.07-12,344.70

Finding the Fourth Proportional to 17,905.08, 26,882.07 and 12,344.70

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Solution

The fourth proportional to 17,905.08, 26,882.07 and 12,344.70 is: 18,533.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.08 : 26,882.07 = 12,344.70 : x
  2. Step 2: Convert to fraction form
    17,905.08/26,882.07 = 12,344.70/x
  3. Step 3: Cross multiply
    17,905.08x = 26,882.07 × 12,344.70
  4. Step 4: Simplify right side
    17,905.08x = 331,851,089.53
  5. Step 5: Solve for x
    x = 331,851,089.53/17,905.08
  6. Step 6: Final answer
    x = 18,533.91

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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.