Home / 21,612.24-29,824.07-12,051.72

Finding the Fourth Proportional to 21,612.24, 29,824.07 and 12,051.72

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Solution

The fourth proportional to 21,612.24, 29,824.07 and 12,051.72 is: 16,630.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612.24 : 29,824.07 = 12,051.72 : x
  2. Step 2: Convert to fraction form
    21,612.24/29,824.07 = 12,051.72/x
  3. Step 3: Cross multiply
    21,612.24x = 29,824.07 × 12,051.72
  4. Step 4: Simplify right side
    21,612.24x = 359,431,280.64
  5. Step 5: Solve for x
    x = 359,431,280.64/21,612.24
  6. Step 6: Final answer
    x = 16,630.91

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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.