Home / 19,601.91-29,451.06-12,585.30

Finding the Fourth Proportional to 19,601.91, 29,451.06 and 12,585.30

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Solution

The fourth proportional to 19,601.91, 29,451.06 and 12,585.30 is: 18,908.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,601.91 : 29,451.06 = 12,585.30 : x
  2. Step 2: Convert to fraction form
    19,601.91/29,451.06 = 12,585.30/x
  3. Step 3: Cross multiply
    19,601.91x = 29,451.06 × 12,585.30
  4. Step 4: Simplify right side
    19,601.91x = 370,650,425.42
  5. Step 5: Solve for x
    x = 370,650,425.42/19,601.91
  6. Step 6: Final answer
    x = 18,908.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.