Home / 15,171.84-22,753.31-5,309.28

Finding the Fourth Proportional to 15,171.84, 22,753.31 and 5,309.28

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Solution

The fourth proportional to 15,171.84, 22,753.31 and 5,309.28 is: 7,962.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.84 : 22,753.31 = 5,309.28 : x
  2. Step 2: Convert to fraction form
    15,171.84/22,753.31 = 5,309.28/x
  3. Step 3: Cross multiply
    15,171.84x = 22,753.31 × 5,309.28
  4. Step 4: Simplify right side
    15,171.84x = 120,803,667.17
  5. Step 5: Solve for x
    x = 120,803,667.17/15,171.84
  6. Step 6: Final answer
    x = 7,962.36

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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.