Home / 11,321.04-15,623-6,285.32

Finding the Fourth Proportional to 11,321.04, 15,623 and 6,285.32

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Solution

The fourth proportional to 11,321.04, 15,623 and 6,285.32 is: 8,673.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.04 : 15,623 = 6,285.32 : x
  2. Step 2: Convert to fraction form
    11,321.04/15,623 = 6,285.32/x
  3. Step 3: Cross multiply
    11,321.04x = 15,623 × 6,285.32
  4. Step 4: Simplify right side
    11,321.04x = 98,195,554.36
  5. Step 5: Solve for x
    x = 98,195,554.36/11,321.04
  6. Step 6: Final answer
    x = 8,673.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.