Home / 17,872.06-26,790.65-8,509.56

Finding the Fourth Proportional to 17,872.06, 26,790.65 and 8,509.56

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Solution

The fourth proportional to 17,872.06, 26,790.65 and 8,509.56 is: 12,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.06 : 26,790.65 = 8,509.56 : x
  2. Step 2: Convert to fraction form
    17,872.06/26,790.65 = 8,509.56/x
  3. Step 3: Cross multiply
    17,872.06x = 26,790.65 × 8,509.56
  4. Step 4: Simplify right side
    17,872.06x = 227,976,574.77
  5. Step 5: Solve for x
    x = 227,976,574.77/17,872.06
  6. Step 6: Final answer
    x = 12,756.04

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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.