Home / 11,098.21-15,315.99-6,382.49

Finding the Fourth Proportional to 11,098.21, 15,315.99 and 6,382.49

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Solution

The fourth proportional to 11,098.21, 15,315.99 and 6,382.49 is: 8,808.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.21 : 15,315.99 = 6,382.49 : x
  2. Step 2: Convert to fraction form
    11,098.21/15,315.99 = 6,382.49/x
  3. Step 3: Cross multiply
    11,098.21x = 15,315.99 × 6,382.49
  4. Step 4: Simplify right side
    11,098.21x = 97,754,153.02
  5. Step 5: Solve for x
    x = 97,754,153.02/11,098.21
  6. Step 6: Final answer
    x = 8,808.10

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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.