Home / 15,664.35-21,614.81-8,950.41

Finding the Fourth Proportional to 15,664.35, 21,614.81 and 8,950.41

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Solution

The fourth proportional to 15,664.35, 21,614.81 and 8,950.41 is: 12,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.35 : 21,614.81 = 8,950.41 : x
  2. Step 2: Convert to fraction form
    15,664.35/21,614.81 = 8,950.41/x
  3. Step 3: Cross multiply
    15,664.35x = 21,614.81 × 8,950.41
  4. Step 4: Simplify right side
    15,664.35x = 193,461,427.61
  5. Step 5: Solve for x
    x = 193,461,427.61/15,664.35
  6. Step 6: Final answer
    x = 12,350.43

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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.