Home / 21,545.44-32,321.61-7,509.51

Finding the Fourth Proportional to 21,545.44, 32,321.61 and 7,509.51

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Solution

The fourth proportional to 21,545.44, 32,321.61 and 7,509.51 is: 11,265.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.44 : 32,321.61 = 7,509.51 : x
  2. Step 2: Convert to fraction form
    21,545.44/32,321.61 = 7,509.51/x
  3. Step 3: Cross multiply
    21,545.44x = 32,321.61 × 7,509.51
  4. Step 4: Simplify right side
    21,545.44x = 242,719,453.51
  5. Step 5: Solve for x
    x = 242,719,453.51/21,545.44
  6. Step 6: Final answer
    x = 11,265.47

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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.