Home / 15,813.78-23,724.57-11,142.91

Finding the Fourth Proportional to 15,813.78, 23,724.57 and 11,142.91

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Solution

The fourth proportional to 15,813.78, 23,724.57 and 11,142.91 is: 16,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,813.78 : 23,724.57 = 11,142.91 : x
  2. Step 2: Convert to fraction form
    15,813.78/23,724.57 = 11,142.91/x
  3. Step 3: Cross multiply
    15,813.78x = 23,724.57 × 11,142.91
  4. Step 4: Simplify right side
    15,813.78x = 264,360,692.58
  5. Step 5: Solve for x
    x = 264,360,692.58/15,813.78
  6. Step 6: Final answer
    x = 16,717.11

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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.