Home / 8,143.28-12,214.93-2,596.65

Finding the Fourth Proportional to 8,143.28, 12,214.93 and 2,596.65

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Solution

The fourth proportional to 8,143.28, 12,214.93 and 2,596.65 is: 3,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.28 : 12,214.93 = 2,596.65 : x
  2. Step 2: Convert to fraction form
    8,143.28/12,214.93 = 2,596.65/x
  3. Step 3: Cross multiply
    8,143.28x = 12,214.93 × 2,596.65
  4. Step 4: Simplify right side
    8,143.28x = 31,717,897.98
  5. Step 5: Solve for x
    x = 31,717,897.98/8,143.28
  6. Step 6: Final answer
    x = 3,894.98

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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.