Home / 21,350.75-29,464.27-11,790.62

Finding the Fourth Proportional to 21,350.75, 29,464.27 and 11,790.62

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Solution

The fourth proportional to 21,350.75, 29,464.27 and 11,790.62 is: 16,271.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.75 : 29,464.27 = 11,790.62 : x
  2. Step 2: Convert to fraction form
    21,350.75/29,464.27 = 11,790.62/x
  3. Step 3: Cross multiply
    21,350.75x = 29,464.27 × 11,790.62
  4. Step 4: Simplify right side
    21,350.75x = 347,402,011.15
  5. Step 5: Solve for x
    x = 347,402,011.15/21,350.75
  6. Step 6: Final answer
    x = 16,271.19

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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.