Home / 17,739.88-26,614.38-6,646.72

Finding the Fourth Proportional to 17,739.88, 26,614.38 and 6,646.72

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Solution

The fourth proportional to 17,739.88, 26,614.38 and 6,646.72 is: 9,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.88 : 26,614.38 = 6,646.72 : x
  2. Step 2: Convert to fraction form
    17,739.88/26,614.38 = 6,646.72/x
  3. Step 3: Cross multiply
    17,739.88x = 26,614.38 × 6,646.72
  4. Step 4: Simplify right side
    17,739.88x = 176,898,331.83
  5. Step 5: Solve for x
    x = 176,898,331.83/17,739.88
  6. Step 6: Final answer
    x = 9,971.79

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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.