Home / 12,739.08-19,059.18-11,167.26

Finding the Fourth Proportional to 12,739.08, 19,059.18 and 11,167.26

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Solution

The fourth proportional to 12,739.08, 19,059.18 and 11,167.26 is: 16,707.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739.08 : 19,059.18 = 11,167.26 : x
  2. Step 2: Convert to fraction form
    12,739.08/19,059.18 = 11,167.26/x
  3. Step 3: Cross multiply
    12,739.08x = 19,059.18 × 11,167.26
  4. Step 4: Simplify right side
    12,739.08x = 212,838,818.45
  5. Step 5: Solve for x
    x = 212,838,818.45/12,739.08
  6. Step 6: Final answer
    x = 16,707.55

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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.