Home / 21,304.17-31,957.74-6,511.95

Finding the Fourth Proportional to 21,304.17, 31,957.74 and 6,511.95

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Solution

The fourth proportional to 21,304.17, 31,957.74 and 6,511.95 is: 9,768.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,304.17 : 31,957.74 = 6,511.95 : x
  2. Step 2: Convert to fraction form
    21,304.17/31,957.74 = 6,511.95/x
  3. Step 3: Cross multiply
    21,304.17x = 31,957.74 × 6,511.95
  4. Step 4: Simplify right side
    21,304.17x = 208,107,204.99
  5. Step 5: Solve for x
    x = 208,107,204.99/21,304.17
  6. Step 6: Final answer
    x = 9,768.38

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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.