Home / 14,143.29-21,214.94-4,282.55

Finding the Fourth Proportional to 14,143.29, 21,214.94 and 4,282.55

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Solution

The fourth proportional to 14,143.29, 21,214.94 and 4,282.55 is: 6,423.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,143.29 : 21,214.94 = 4,282.55 : x
  2. Step 2: Convert to fraction form
    14,143.29/21,214.94 = 4,282.55/x
  3. Step 3: Cross multiply
    14,143.29x = 21,214.94 × 4,282.55
  4. Step 4: Simplify right side
    14,143.29x = 90,854,041.30
  5. Step 5: Solve for x
    x = 90,854,041.30/14,143.29
  6. Step 6: Final answer
    x = 6,423.83

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Similar ratio
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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.