Home / 21,701.08-29,942.09-12,627.93

Finding the Fourth Proportional to 21,701.08, 29,942.09 and 12,627.93

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Solution

The fourth proportional to 21,701.08, 29,942.09 and 12,627.93 is: 17,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.08 : 29,942.09 = 12,627.93 : x
  2. Step 2: Convert to fraction form
    21,701.08/29,942.09 = 12,627.93/x
  3. Step 3: Cross multiply
    21,701.08x = 29,942.09 × 12,627.93
  4. Step 4: Simplify right side
    21,701.08x = 378,106,616.57
  5. Step 5: Solve for x
    x = 378,106,616.57/21,701.08
  6. Step 6: Final answer
    x = 17,423.40

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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.