Home / 11,078.02-15,288.58-6,299.46

Finding the Fourth Proportional to 11,078.02, 15,288.58 and 6,299.46

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Solution

The fourth proportional to 11,078.02, 15,288.58 and 6,299.46 is: 8,693.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.02 : 15,288.58 = 6,299.46 : x
  2. Step 2: Convert to fraction form
    11,078.02/15,288.58 = 6,299.46/x
  3. Step 3: Cross multiply
    11,078.02x = 15,288.58 × 6,299.46
  4. Step 4: Simplify right side
    11,078.02x = 96,309,806.04
  5. Step 5: Solve for x
    x = 96,309,806.04/11,078.02
  6. Step 6: Final answer
    x = 8,693.77

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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.