Home / 14,318.45-19,755.41-9,282.88

Finding the Fourth Proportional to 14,318.45, 19,755.41 and 9,282.88

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Solution

The fourth proportional to 14,318.45, 19,755.41 and 9,282.88 is: 12,807.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.45 : 19,755.41 = 9,282.88 : x
  2. Step 2: Convert to fraction form
    14,318.45/19,755.41 = 9,282.88/x
  3. Step 3: Cross multiply
    14,318.45x = 19,755.41 × 9,282.88
  4. Step 4: Simplify right side
    14,318.45x = 183,387,074.20
  5. Step 5: Solve for x
    x = 183,387,074.20/14,318.45
  6. Step 6: Final answer
    x = 12,807.75

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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.