Home / 21,013.77-31,525.27-6,223.85

Finding the Fourth Proportional to 21,013.77, 31,525.27 and 6,223.85

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Solution

The fourth proportional to 21,013.77, 31,525.27 and 6,223.85 is: 9,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,013.77 : 31,525.27 = 6,223.85 : x
  2. Step 2: Convert to fraction form
    21,013.77/31,525.27 = 6,223.85/x
  3. Step 3: Cross multiply
    21,013.77x = 31,525.27 × 6,223.85
  4. Step 4: Simplify right side
    21,013.77x = 196,208,551.69
  5. Step 5: Solve for x
    x = 196,208,551.69/21,013.77
  6. Step 6: Final answer
    x = 9,337.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.