Home / 19,712.58-29,574.89-11,823.86

Finding the Fourth Proportional to 19,712.58, 29,574.89 and 11,823.86

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Solution

The fourth proportional to 19,712.58, 29,574.89 and 11,823.86 is: 17,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.58 : 29,574.89 = 11,823.86 : x
  2. Step 2: Convert to fraction form
    19,712.58/29,574.89 = 11,823.86/x
  3. Step 3: Cross multiply
    19,712.58x = 29,574.89 × 11,823.86
  4. Step 4: Simplify right side
    19,712.58x = 349,689,151.88
  5. Step 5: Solve for x
    x = 349,689,151.88/19,712.58
  6. Step 6: Final answer
    x = 17,739.39

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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.