Home / 11,318.21-15,619.17-6,282.53

Finding the Fourth Proportional to 11,318.21, 15,619.17 and 6,282.53

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Solution

The fourth proportional to 11,318.21, 15,619.17 and 6,282.53 is: 8,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.21 : 15,619.17 = 6,282.53 : x
  2. Step 2: Convert to fraction form
    11,318.21/15,619.17 = 6,282.53/x
  3. Step 3: Cross multiply
    11,318.21x = 15,619.17 × 6,282.53
  4. Step 4: Simplify right side
    11,318.21x = 98,127,826.00
  5. Step 5: Solve for x
    x = 98,127,826.00/11,318.21
  6. Step 6: Final answer
    x = 8,669.91

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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.