Home / 14,698.14-20,282.85-7,983.61

Finding the Fourth Proportional to 14,698.14, 20,282.85 and 7,983.61

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Solution

The fourth proportional to 14,698.14, 20,282.85 and 7,983.61 is: 11,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,698.14 : 20,282.85 = 7,983.61 : x
  2. Step 2: Convert to fraction form
    14,698.14/20,282.85 = 7,983.61/x
  3. Step 3: Cross multiply
    14,698.14x = 20,282.85 × 7,983.61
  4. Step 4: Simplify right side
    14,698.14x = 161,930,364.09
  5. Step 5: Solve for x
    x = 161,930,364.09/14,698.14
  6. Step 6: Final answer
    x = 11,017.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.