Home / 13,250.43-18,285.93-7,282.25

Finding the Fourth Proportional to 13,250.43, 18,285.93 and 7,282.25

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Solution

The fourth proportional to 13,250.43, 18,285.93 and 7,282.25 is: 10,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.43 : 18,285.93 = 7,282.25 : x
  2. Step 2: Convert to fraction form
    13,250.43/18,285.93 = 7,282.25/x
  3. Step 3: Cross multiply
    13,250.43x = 18,285.93 × 7,282.25
  4. Step 4: Simplify right side
    13,250.43x = 133,162,713.74
  5. Step 5: Solve for x
    x = 133,162,713.74/13,250.43
  6. Step 6: Final answer
    x = 10,049.69

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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.