Home / 15,664.03-21,614.37-8,950.09

Finding the Fourth Proportional to 15,664.03, 21,614.37 and 8,950.09

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Solution

The fourth proportional to 15,664.03, 21,614.37 and 8,950.09 is: 12,349.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.03 : 21,614.37 = 8,950.09 : x
  2. Step 2: Convert to fraction form
    15,664.03/21,614.37 = 8,950.09/x
  3. Step 3: Cross multiply
    15,664.03x = 21,614.37 × 8,950.09
  4. Step 4: Simplify right side
    15,664.03x = 193,450,512.04
  5. Step 5: Solve for x
    x = 193,450,512.04/15,664.03
  6. Step 6: Final answer
    x = 12,349.98

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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.