Home / 15,588.92-21,505.91-10,551.33

Finding the Fourth Proportional to 15,588.92, 21,505.91 and 10,551.33

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Solution

The fourth proportional to 15,588.92, 21,505.91 and 10,551.33 is: 14,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,588.92 : 21,505.91 = 10,551.33 : x
  2. Step 2: Convert to fraction form
    15,588.92/21,505.91 = 10,551.33/x
  3. Step 3: Cross multiply
    15,588.92x = 21,505.91 × 10,551.33
  4. Step 4: Simplify right side
    15,588.92x = 226,915,900.60
  5. Step 5: Solve for x
    x = 226,915,900.60/15,588.92
  6. Step 6: Final answer
    x = 14,556.23

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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.