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Finding the Fourth Proportional to 11,124.65, 16,686.97 and 3,734.30

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Solution

The fourth proportional to 11,124.65, 16,686.97 and 3,734.30 is: 5,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.65 : 16,686.97 = 3,734.30 : x
  2. Step 2: Convert to fraction form
    11,124.65/16,686.97 = 3,734.30/x
  3. Step 3: Cross multiply
    11,124.65x = 16,686.97 × 3,734.30
  4. Step 4: Simplify right side
    11,124.65x = 62,314,111.59
  5. Step 5: Solve for x
    x = 62,314,111.59/11,124.65
  6. Step 6: Final answer
    x = 5,601.45

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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.