Home / 21,230.91-31,847.07-9,544.16

Finding the Fourth Proportional to 21,230.91, 31,847.07 and 9,544.16

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Solution

The fourth proportional to 21,230.91, 31,847.07 and 9,544.16 is: 14,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,230.91 : 31,847.07 = 9,544.16 : x
  2. Step 2: Convert to fraction form
    21,230.91/31,847.07 = 9,544.16/x
  3. Step 3: Cross multiply
    21,230.91x = 31,847.07 × 9,544.16
  4. Step 4: Simplify right side
    21,230.91x = 303,953,531.61
  5. Step 5: Solve for x
    x = 303,953,531.61/21,230.91
  6. Step 6: Final answer
    x = 14,316.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.