Home / 12,545.06-18,818.89-4,226.00

Finding the Fourth Proportional to 12,545.06, 18,818.89 and 4,226.00

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Solution

The fourth proportional to 12,545.06, 18,818.89 and 4,226.00 is: 6,339.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.06 : 18,818.89 = 4,226.00 : x
  2. Step 2: Convert to fraction form
    12,545.06/18,818.89 = 4,226.00/x
  3. Step 3: Cross multiply
    12,545.06x = 18,818.89 × 4,226.00
  4. Step 4: Simplify right side
    12,545.06x = 79,528,524.48
  5. Step 5: Solve for x
    x = 79,528,524.48/12,545.06
  6. Step 6: Final answer
    x = 6,339.43

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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.