Home / 21,506.37-29,698.38-16,191.96

Finding the Fourth Proportional to 21,506.37, 29,698.38 and 16,191.96

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Solution

The fourth proportional to 21,506.37, 29,698.38 and 16,191.96 is: 22,359.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,506.37 : 29,698.38 = 16,191.96 : x
  2. Step 2: Convert to fraction form
    21,506.37/29,698.38 = 16,191.96/x
  3. Step 3: Cross multiply
    21,506.37x = 29,698.38 × 16,191.96
  4. Step 4: Simplify right side
    21,506.37x = 480,874,981.02
  5. Step 5: Solve for x
    x = 480,874,981.02/21,506.37
  6. Step 6: Final answer
    x = 22,359.65

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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.