Home / 12,545.93-18,822.05-8,855.36

Finding the Fourth Proportional to 12,545.93, 18,822.05 and 8,855.36

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Solution

The fourth proportional to 12,545.93, 18,822.05 and 8,855.36 is: 13,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.93 : 18,822.05 = 8,855.36 : x
  2. Step 2: Convert to fraction form
    12,545.93/18,822.05 = 8,855.36/x
  3. Step 3: Cross multiply
    12,545.93x = 18,822.05 × 8,855.36
  4. Step 4: Simplify right side
    12,545.93x = 166,676,097.88
  5. Step 5: Solve for x
    x = 166,676,097.88/12,545.93
  6. Step 6: Final answer
    x = 13,285.28

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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.