Home / 22,701.62-31,323.30-13,265.84

Finding the Fourth Proportional to 22,701.62, 31,323.30 and 13,265.84

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Solution

The fourth proportional to 22,701.62, 31,323.30 and 13,265.84 is: 18,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.62 : 31,323.30 = 13,265.84 : x
  2. Step 2: Convert to fraction form
    22,701.62/31,323.30 = 13,265.84/x
  3. Step 3: Cross multiply
    22,701.62x = 31,323.30 × 13,265.84
  4. Step 4: Simplify right side
    22,701.62x = 415,529,886.07
  5. Step 5: Solve for x
    x = 415,529,886.07/22,701.62
  6. Step 6: Final answer
    x = 18,303.98

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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.