Home / 19,585.92-27,031.04-12,135.04

Finding the Fourth Proportional to 19,585.92, 27,031.04 and 12,135.04

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Solution

The fourth proportional to 19,585.92, 27,031.04 and 12,135.04 is: 16,747.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.92 : 27,031.04 = 12,135.04 : x
  2. Step 2: Convert to fraction form
    19,585.92/27,031.04 = 12,135.04/x
  3. Step 3: Cross multiply
    19,585.92x = 27,031.04 × 12,135.04
  4. Step 4: Simplify right side
    19,585.92x = 328,022,751.64
  5. Step 5: Solve for x
    x = 328,022,751.64/19,585.92
  6. Step 6: Final answer
    x = 16,747.89

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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.