Home / 22,474.48-31,012.95-12,911.35

Finding the Fourth Proportional to 22,474.48, 31,012.95 and 12,911.35

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Solution

The fourth proportional to 22,474.48, 31,012.95 and 12,911.35 is: 17,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.48 : 31,012.95 = 12,911.35 : x
  2. Step 2: Convert to fraction form
    22,474.48/31,012.95 = 12,911.35/x
  3. Step 3: Cross multiply
    22,474.48x = 31,012.95 × 12,911.35
  4. Step 4: Simplify right side
    22,474.48x = 400,419,051.98
  5. Step 5: Solve for x
    x = 400,419,051.98/22,474.48
  6. Step 6: Final answer
    x = 17,816.61

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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.