Home / 18,320.94-25,282.89-9,937.44

Finding the Fourth Proportional to 18,320.94, 25,282.89 and 9,937.44

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Solution

The fourth proportional to 18,320.94, 25,282.89 and 9,937.44 is: 13,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.94 : 25,282.89 = 9,937.44 : x
  2. Step 2: Convert to fraction form
    18,320.94/25,282.89 = 9,937.44/x
  3. Step 3: Cross multiply
    18,320.94x = 25,282.89 × 9,937.44
  4. Step 4: Simplify right side
    18,320.94x = 251,247,202.40
  5. Step 5: Solve for x
    x = 251,247,202.40/18,320.94
  6. Step 6: Final answer
    x = 13,713.66

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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.