Home / 15,556.48-21,467.23-9,516.77

Finding the Fourth Proportional to 15,556.48, 21,467.23 and 9,516.77

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Solution

The fourth proportional to 15,556.48, 21,467.23 and 9,516.77 is: 13,132.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,556.48 : 21,467.23 = 9,516.77 : x
  2. Step 2: Convert to fraction form
    15,556.48/21,467.23 = 9,516.77/x
  3. Step 3: Cross multiply
    15,556.48x = 21,467.23 × 9,516.77
  4. Step 4: Simplify right side
    15,556.48x = 204,298,639.82
  5. Step 5: Solve for x
    x = 204,298,639.82/15,556.48
  6. Step 6: Final answer
    x = 13,132.71

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Double scale
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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.