Home / 21,366.16-32,020.04-13,560.96

Finding the Fourth Proportional to 21,366.16, 32,020.04 and 13,560.96

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Solution

The fourth proportional to 21,366.16, 32,020.04 and 13,560.96 is: 20,322.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,366.16 : 32,020.04 = 13,560.96 : x
  2. Step 2: Convert to fraction form
    21,366.16/32,020.04 = 13,560.96/x
  3. Step 3: Cross multiply
    21,366.16x = 32,020.04 × 13,560.96
  4. Step 4: Simplify right side
    21,366.16x = 434,222,481.64
  5. Step 5: Solve for x
    x = 434,222,481.64/21,366.16
  6. Step 6: Final answer
    x = 20,322.91

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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.