Home / 13,545.39-20,310.64-4,182.83

Finding the Fourth Proportional to 13,545.39, 20,310.64 and 4,182.83

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Solution

The fourth proportional to 13,545.39, 20,310.64 and 4,182.83 is: 6,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.39 : 20,310.64 = 4,182.83 : x
  2. Step 2: Convert to fraction form
    13,545.39/20,310.64 = 4,182.83/x
  3. Step 3: Cross multiply
    13,545.39x = 20,310.64 × 4,182.83
  4. Step 4: Simplify right side
    13,545.39x = 84,955,842.30
  5. Step 5: Solve for x
    x = 84,955,842.30/13,545.39
  6. Step 6: Final answer
    x = 6,271.94

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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.