Home / 11,145.95-16,718.88-2,825.93

Finding the Fourth Proportional to 11,145.95, 16,718.88 and 2,825.93

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Solution

The fourth proportional to 11,145.95, 16,718.88 and 2,825.93 is: 4,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,145.95 : 16,718.88 = 2,825.93 : x
  2. Step 2: Convert to fraction form
    11,145.95/16,718.88 = 2,825.93/x
  3. Step 3: Cross multiply
    11,145.95x = 16,718.88 × 2,825.93
  4. Step 4: Simplify right side
    11,145.95x = 47,246,384.56
  5. Step 5: Solve for x
    x = 47,246,384.56/11,145.95
  6. Step 6: Final answer
    x = 4,238.89

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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.