Home / 20,282.61-30,425.13-9,754.77

Finding the Fourth Proportional to 20,282.61, 30,425.13 and 9,754.77

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Solution

The fourth proportional to 20,282.61, 30,425.13 and 9,754.77 is: 14,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,282.61 : 30,425.13 = 9,754.77 : x
  2. Step 2: Convert to fraction form
    20,282.61/30,425.13 = 9,754.77/x
  3. Step 3: Cross multiply
    20,282.61x = 30,425.13 × 9,754.77
  4. Step 4: Simplify right side
    20,282.61x = 296,790,145.37
  5. Step 5: Solve for x
    x = 296,790,145.37/20,282.61
  6. Step 6: Final answer
    x = 14,632.74

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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.