Home / 19,739.58-27,240.14-10,786.86

Finding the Fourth Proportional to 19,739.58, 27,240.14 and 10,786.86

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Solution

The fourth proportional to 19,739.58, 27,240.14 and 10,786.86 is: 14,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.58 : 27,240.14 = 10,786.86 : x
  2. Step 2: Convert to fraction form
    19,739.58/27,240.14 = 10,786.86/x
  3. Step 3: Cross multiply
    19,739.58x = 27,240.14 × 10,786.86
  4. Step 4: Simplify right side
    19,739.58x = 293,835,522.63
  5. Step 5: Solve for x
    x = 293,835,522.63/19,739.58
  6. Step 6: Final answer
    x = 14,885.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.