Home / 19,956.90-29,924.55-8,271.30

Finding the Fourth Proportional to 19,956.90, 29,924.55 and 8,271.30

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Solution

The fourth proportional to 19,956.90, 29,924.55 and 8,271.30 is: 12,402.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.90 : 29,924.55 = 8,271.30 : x
  2. Step 2: Convert to fraction form
    19,956.90/29,924.55 = 8,271.30/x
  3. Step 3: Cross multiply
    19,956.90x = 29,924.55 × 8,271.30
  4. Step 4: Simplify right side
    19,956.90x = 247,514,930.42
  5. Step 5: Solve for x
    x = 247,514,930.42/19,956.90
  6. Step 6: Final answer
    x = 12,402.47

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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.