Home / 15,662.14-21,614.37-8,588.81

Finding the Fourth Proportional to 15,662.14, 21,614.37 and 8,588.81

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Solution

The fourth proportional to 15,662.14, 21,614.37 and 8,588.81 is: 11,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662.14 : 21,614.37 = 8,588.81 : x
  2. Step 2: Convert to fraction form
    15,662.14/21,614.37 = 8,588.81/x
  3. Step 3: Cross multiply
    15,662.14x = 21,614.37 × 8,588.81
  4. Step 4: Simplify right side
    15,662.14x = 185,641,717.20
  5. Step 5: Solve for x
    x = 185,641,717.20/15,662.14
  6. Step 6: Final answer
    x = 11,852.90

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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.