Home / 10,216.92-15,312.36-4,673.28

Finding the Fourth Proportional to 10,216.92, 15,312.36 and 4,673.28

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Solution

The fourth proportional to 10,216.92, 15,312.36 and 4,673.28 is: 7,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,216.92 : 15,312.36 = 4,673.28 : x
  2. Step 2: Convert to fraction form
    10,216.92/15,312.36 = 4,673.28/x
  3. Step 3: Cross multiply
    10,216.92x = 15,312.36 × 4,673.28
  4. Step 4: Simplify right side
    10,216.92x = 71,558,945.74
  5. Step 5: Solve for x
    x = 71,558,945.74/10,216.92
  6. Step 6: Final answer
    x = 7,003.96

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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.