Home / 12,995.68-19,506.98-8,001.65

Finding the Fourth Proportional to 12,995.68, 19,506.98 and 8,001.65

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Solution

The fourth proportional to 12,995.68, 19,506.98 and 8,001.65 is: 12,010.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,995.68 : 19,506.98 = 8,001.65 : x
  2. Step 2: Convert to fraction form
    12,995.68/19,506.98 = 8,001.65/x
  3. Step 3: Cross multiply
    12,995.68x = 19,506.98 × 8,001.65
  4. Step 4: Simplify right side
    12,995.68x = 156,087,967.98
  5. Step 5: Solve for x
    x = 156,087,967.98/12,995.68
  6. Step 6: Final answer
    x = 12,010.76

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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.