Home / 22,729.74-31,364.82-12,657.80

Finding the Fourth Proportional to 22,729.74, 31,364.82 and 12,657.80

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Solution

The fourth proportional to 22,729.74, 31,364.82 and 12,657.80 is: 17,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,729.74 : 31,364.82 = 12,657.80 : x
  2. Step 2: Convert to fraction form
    22,729.74/31,364.82 = 12,657.80/x
  3. Step 3: Cross multiply
    22,729.74x = 31,364.82 × 12,657.80
  4. Step 4: Simplify right side
    22,729.74x = 397,009,618.60
  5. Step 5: Solve for x
    x = 397,009,618.60/22,729.74
  6. Step 6: Final answer
    x = 17,466.53

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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.