Home / 22,266.20-30,712.57-14,318.48

Finding the Fourth Proportional to 22,266.20, 30,712.57 and 14,318.48

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Solution

The fourth proportional to 22,266.20, 30,712.57 and 14,318.48 is: 19,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.20 : 30,712.57 = 14,318.48 : x
  2. Step 2: Convert to fraction form
    22,266.20/30,712.57 = 14,318.48/x
  3. Step 3: Cross multiply
    22,266.20x = 30,712.57 × 14,318.48
  4. Step 4: Simplify right side
    22,266.20x = 439,757,094.14
  5. Step 5: Solve for x
    x = 439,757,094.14/22,266.20
  6. Step 6: Final answer
    x = 19,749.99

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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.