Home / 11,285.17-15,573.49-6,317.17

Finding the Fourth Proportional to 11,285.17, 15,573.49 and 6,317.17

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Solution

The fourth proportional to 11,285.17, 15,573.49 and 6,317.17 is: 8,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,285.17 : 15,573.49 = 6,317.17 : x
  2. Step 2: Convert to fraction form
    11,285.17/15,573.49 = 6,317.17/x
  3. Step 3: Cross multiply
    11,285.17x = 15,573.49 × 6,317.17
  4. Step 4: Simplify right side
    11,285.17x = 98,380,383.82
  5. Step 5: Solve for x
    x = 98,380,383.82/11,285.17
  6. Step 6: Final answer
    x = 8,717.67

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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.