Home / 11,100.40-16,639.70-5,545.42

Finding the Fourth Proportional to 11,100.40, 16,639.70 and 5,545.42

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Solution

The fourth proportional to 11,100.40, 16,639.70 and 5,545.42 is: 8,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,100.40 : 16,639.70 = 5,545.42 : x
  2. Step 2: Convert to fraction form
    11,100.40/16,639.70 = 5,545.42/x
  3. Step 3: Cross multiply
    11,100.40x = 16,639.70 × 5,545.42
  4. Step 4: Simplify right side
    11,100.40x = 92,274,125.17
  5. Step 5: Solve for x
    x = 92,274,125.17/11,100.40
  6. Step 6: Final answer
    x = 8,312.68

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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.