Home / 14,545.82-20,072.71-8,890.03

Finding the Fourth Proportional to 14,545.82, 20,072.71 and 8,890.03

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Solution

The fourth proportional to 14,545.82, 20,072.71 and 8,890.03 is: 12,267.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.82 : 20,072.71 = 8,890.03 : x
  2. Step 2: Convert to fraction form
    14,545.82/20,072.71 = 8,890.03/x
  3. Step 3: Cross multiply
    14,545.82x = 20,072.71 × 8,890.03
  4. Step 4: Simplify right side
    14,545.82x = 178,446,994.08
  5. Step 5: Solve for x
    x = 178,446,994.08/14,545.82
  6. Step 6: Final answer
    x = 12,267.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.