Home / 8,813.49-13,232.85-7,730.94

Finding the Fourth Proportional to 8,813.49, 13,232.85 and 7,730.94

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Solution

The fourth proportional to 8,813.49, 13,232.85 and 7,730.94 is: 11,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.49 : 13,232.85 = 7,730.94 : x
  2. Step 2: Convert to fraction form
    8,813.49/13,232.85 = 7,730.94/x
  3. Step 3: Cross multiply
    8,813.49x = 13,232.85 × 7,730.94
  4. Step 4: Simplify right side
    8,813.49x = 102,302,369.38
  5. Step 5: Solve for x
    x = 102,302,369.38/8,813.49
  6. Step 6: Final answer
    x = 11,607.48

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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.