Home / 14,419.24-21,631.44-9,935.20

Finding the Fourth Proportional to 14,419.24, 21,631.44 and 9,935.20

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Solution

The fourth proportional to 14,419.24, 21,631.44 and 9,935.20 is: 14,904.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,419.24 : 21,631.44 = 9,935.20 : x
  2. Step 2: Convert to fraction form
    14,419.24/21,631.44 = 9,935.20/x
  3. Step 3: Cross multiply
    14,419.24x = 21,631.44 × 9,935.20
  4. Step 4: Simplify right side
    14,419.24x = 214,912,682.69
  5. Step 5: Solve for x
    x = 214,912,682.69/14,419.24
  6. Step 6: Final answer
    x = 14,904.58

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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.