Home / 12,740.08-19,060.68-11,168.26

Finding the Fourth Proportional to 12,740.08, 19,060.68 and 11,168.26

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Solution

The fourth proportional to 12,740.08, 19,060.68 and 11,168.26 is: 16,709.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.08 : 19,060.68 = 11,168.26 : x
  2. Step 2: Convert to fraction form
    12,740.08/19,060.68 = 11,168.26/x
  3. Step 3: Cross multiply
    12,740.08x = 19,060.68 × 11,168.26
  4. Step 4: Simplify right side
    12,740.08x = 212,874,630.02
  5. Step 5: Solve for x
    x = 212,874,630.02/12,740.08
  6. Step 6: Final answer
    x = 16,709.05

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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.