Home / 15,171.40-22,756.92-6,845.50

Finding the Fourth Proportional to 15,171.40, 22,756.92 and 6,845.50

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Solution

The fourth proportional to 15,171.40, 22,756.92 and 6,845.50 is: 10,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.40 : 22,756.92 = 6,845.50 : x
  2. Step 2: Convert to fraction form
    15,171.40/22,756.92 = 6,845.50/x
  3. Step 3: Cross multiply
    15,171.40x = 22,756.92 × 6,845.50
  4. Step 4: Simplify right side
    15,171.40x = 155,782,495.86
  5. Step 5: Solve for x
    x = 155,782,495.86/15,171.40
  6. Step 6: Final answer
    x = 10,268.17

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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.