Home / 11,545.92-17,284.32-7,433.28

Finding the Fourth Proportional to 11,545.92, 17,284.32 and 7,433.28

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Solution

The fourth proportional to 11,545.92, 17,284.32 and 7,433.28 is: 11,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.92 : 17,284.32 = 7,433.28 : x
  2. Step 2: Convert to fraction form
    11,545.92/17,284.32 = 7,433.28/x
  3. Step 3: Cross multiply
    11,545.92x = 17,284.32 × 7,433.28
  4. Step 4: Simplify right side
    11,545.92x = 128,479,190.17
  5. Step 5: Solve for x
    x = 128,479,190.17/11,545.92
  6. Step 6: Final answer
    x = 11,127.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.