Home / 13,282.65-18,330.44-7,314.57

Finding the Fourth Proportional to 13,282.65, 18,330.44 and 7,314.57

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Solution

The fourth proportional to 13,282.65, 18,330.44 and 7,314.57 is: 10,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,282.65 : 18,330.44 = 7,314.57 : x
  2. Step 2: Convert to fraction form
    13,282.65/18,330.44 = 7,314.57/x
  3. Step 3: Cross multiply
    13,282.65x = 18,330.44 × 7,314.57
  4. Step 4: Simplify right side
    13,282.65x = 134,079,249.94
  5. Step 5: Solve for x
    x = 134,079,249.94/13,282.65
  6. Step 6: Final answer
    x = 10,094.31

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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.