Home / 11,012.59-16,503.36-8,535.81

Finding the Fourth Proportional to 11,012.59, 16,503.36 and 8,535.81

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Solution

The fourth proportional to 11,012.59, 16,503.36 and 8,535.81 is: 12,791.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.59 : 16,503.36 = 8,535.81 : x
  2. Step 2: Convert to fraction form
    11,012.59/16,503.36 = 8,535.81/x
  3. Step 3: Cross multiply
    11,012.59x = 16,503.36 × 8,535.81
  4. Step 4: Simplify right side
    11,012.59x = 140,869,545.32
  5. Step 5: Solve for x
    x = 140,869,545.32/11,012.59
  6. Step 6: Final answer
    x = 12,791.68

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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.