Home / 14,159.24-21,215.22-9,992.36

Finding the Fourth Proportional to 14,159.24, 21,215.22 and 9,992.36

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Solution

The fourth proportional to 14,159.24, 21,215.22 and 9,992.36 is: 14,971.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.24 : 21,215.22 = 9,992.36 : x
  2. Step 2: Convert to fraction form
    14,159.24/21,215.22 = 9,992.36/x
  3. Step 3: Cross multiply
    14,159.24x = 21,215.22 × 9,992.36
  4. Step 4: Simplify right side
    14,159.24x = 211,990,115.72
  5. Step 5: Solve for x
    x = 211,990,115.72/14,159.24
  6. Step 6: Final answer
    x = 14,971.86

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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.