Home / 14,989.68-22,469.36-12,365.28

Finding the Fourth Proportional to 14,989.68, 22,469.36 and 12,365.28

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Solution

The fourth proportional to 14,989.68, 22,469.36 and 12,365.28 is: 18,535.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.68 : 22,469.36 = 12,365.28 : x
  2. Step 2: Convert to fraction form
    14,989.68/22,469.36 = 12,365.28/x
  3. Step 3: Cross multiply
    14,989.68x = 22,469.36 × 12,365.28
  4. Step 4: Simplify right side
    14,989.68x = 277,839,927.82
  5. Step 5: Solve for x
    x = 277,839,927.82/14,989.68
  6. Step 6: Final answer
    x = 18,535.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.