Home / 12,926.01-19,390.85-4,162.89

Finding the Fourth Proportional to 12,926.01, 19,390.85 and 4,162.89

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Solution

The fourth proportional to 12,926.01, 19,390.85 and 4,162.89 is: 6,244.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.01 : 19,390.85 = 4,162.89 : x
  2. Step 2: Convert to fraction form
    12,926.01/19,390.85 = 4,162.89/x
  3. Step 3: Cross multiply
    12,926.01x = 19,390.85 × 4,162.89
  4. Step 4: Simplify right side
    12,926.01x = 80,721,954.74
  5. Step 5: Solve for x
    x = 80,721,954.74/12,926.01
  6. Step 6: Final answer
    x = 6,244.92

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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.