Home / 19,126.29-28,694.05-6,644.50

Finding the Fourth Proportional to 19,126.29, 28,694.05 and 6,644.50

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Solution

The fourth proportional to 19,126.29, 28,694.05 and 6,644.50 is: 9,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.29 : 28,694.05 = 6,644.50 : x
  2. Step 2: Convert to fraction form
    19,126.29/28,694.05 = 6,644.50/x
  3. Step 3: Cross multiply
    19,126.29x = 28,694.05 × 6,644.50
  4. Step 4: Simplify right side
    19,126.29x = 190,657,631.84
  5. Step 5: Solve for x
    x = 190,657,631.84/19,126.29
  6. Step 6: Final answer
    x = 9,968.35

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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.