Home / 21,529.23-29,710.35-12,097.86

Finding the Fourth Proportional to 21,529.23, 29,710.35 and 12,097.86

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Solution

The fourth proportional to 21,529.23, 29,710.35 and 12,097.86 is: 16,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,529.23 : 29,710.35 = 12,097.86 : x
  2. Step 2: Convert to fraction form
    21,529.23/29,710.35 = 12,097.86/x
  3. Step 3: Cross multiply
    21,529.23x = 29,710.35 × 12,097.86
  4. Step 4: Simplify right side
    21,529.23x = 359,431,654.85
  5. Step 5: Solve for x
    x = 359,431,654.85/21,529.23
  6. Step 6: Final answer
    x = 16,695.05

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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.