Home / 22,714.86-31,346.80-12,643.73

Finding the Fourth Proportional to 22,714.86, 31,346.80 and 12,643.73

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Solution

The fourth proportional to 22,714.86, 31,346.80 and 12,643.73 is: 17,448.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,714.86 : 31,346.80 = 12,643.73 : x
  2. Step 2: Convert to fraction form
    22,714.86/31,346.80 = 12,643.73/x
  3. Step 3: Cross multiply
    22,714.86x = 31,346.80 × 12,643.73
  4. Step 4: Simplify right side
    22,714.86x = 396,340,404.77
  5. Step 5: Solve for x
    x = 396,340,404.77/22,714.86
  6. Step 6: Final answer
    x = 17,448.50

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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.