Home / 18,003.26-26,957.58-12,709.74

Finding the Fourth Proportional to 18,003.26, 26,957.58 and 12,709.74

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Solution

The fourth proportional to 18,003.26, 26,957.58 and 12,709.74 is: 19,031.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.26 : 26,957.58 = 12,709.74 : x
  2. Step 2: Convert to fraction form
    18,003.26/26,957.58 = 12,709.74/x
  3. Step 3: Cross multiply
    18,003.26x = 26,957.58 × 12,709.74
  4. Step 4: Simplify right side
    18,003.26x = 342,623,832.83
  5. Step 5: Solve for x
    x = 342,623,832.83/18,003.26
  6. Step 6: Final answer
    x = 19,031.21

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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.