Home / 22,539.77-31,104.91-12,330.93

Finding the Fourth Proportional to 22,539.77, 31,104.91 and 12,330.93

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Solution

The fourth proportional to 22,539.77, 31,104.91 and 12,330.93 is: 17,016.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,539.77 : 31,104.91 = 12,330.93 : x
  2. Step 2: Convert to fraction form
    22,539.77/31,104.91 = 12,330.93/x
  3. Step 3: Cross multiply
    22,539.77x = 31,104.91 × 12,330.93
  4. Step 4: Simplify right side
    22,539.77x = 383,552,467.87
  5. Step 5: Solve for x
    x = 383,552,467.87/22,539.77
  6. Step 6: Final answer
    x = 17,016.70

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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.